Lead(Pb)

网络铅

英英释义

Lead(Pb)

• n.
  • a soft heavy toxic malleable metallic element; bluish white when freshly cut but tarnishes readily to dull grey

    "the children were playing with lead soldiers"

    同义词：Pbatomic number 82

  • an advantage held by a competitor in a race

    "he took the lead at the last turn"

  • evidence pointing to a possible solution

    "the police are following a promising lead"

    同义词：tracktrail

  • a position of leadership (especially in the phrase `take the lead')

    "he takes the lead in any group"; "we were just waiting for someone to take the lead"; "they didn't follow our lead"

  • the angle between the direction a gun is aimed and the position of a moving target (correcting for the flight time of the missile)
  • the introductory section of a story

    "it was an amusing lead-in to a very serious matter"

    同义词：lead-inlede

  • (sports) the score by which a team or individual is winning
  • an actor who plays a principal role

    同义词：starprincipal

  • (baseball) the position taken by a base runner preparing to advance to the next base

    "he took a long lead off first"

  • an indication of potential opportunity

    "a good lead for a job"

    同义词：tipsteerconfidential informationwindhint

  • a news story of major importance

    同义词：lead story

  • the timing of ignition relative to the position of the piston in an internal-combustion engine

    同义词：spark advance

  • restraint consisting of a rope (or light chain) used to restrain an animal

    同义词：leashtether

  • thin strip of metal used to separate lines of type in printing

    同义词：leading

  • mixture of graphite with clay in different degrees of hardness; the marking substance in a pencil

    同义词：pencil lead

  • a jumper that consists of a short piece of wire

    "it was a tangle of jumper cables and clip leads"

    同义词：jumper cablejumper leadbooster cable

  • the playing of a card to start a trick in bridge

    "the lead was in the dummy"

• v.
  • take somebody somewhere

    "We lead him to our chief"

    同义词：takedirectconductguide

  • have as a result or residue

    同义词：leaveresult

  • tend to or result in

    "This remark lead to further arguments among the guests"

  • travel in front of; go in advance of others

    同义词：head

  • cause to undertake a certain action
  • stretch out over a distance, space, time, or scope; run or extend between two points or beyond a certain point

    同义词：rungopassextend

  • be in charge of

    同义词：head

  • be ahead of others; be the first

    同义词：top

  • be conducive to

    "The use of computers in the classroom lead to better writing"

    同义词：contributeconduce

  • lead, as in the performance of a composition

    同义词：conductdirect

  • pass or spend

    "lead a good life"

  • lead, extend, or afford access

    同义词：go

  • move ahead (of others) in time or space

    同义词：precede

  • cause something to pass or lead somewhere

    同义词：run

  • preside over

    同义词：moderatechair

双语例句

1.Thepackage is available in a lead(Pb)freeversion,with100%mattetinleadframeplating.该封装采用无铅（Pb）免费版本，与100%雾锡电镀引脚框。forum.esm-cn.com2.Alldevices in the XOSM familyofclockoscillatorsarelead(Pb)-free.XOSM时钟振荡器系列中的所有器件均采用无铅设计。www.ecd123.com3.Preconditionedaccording to JEDEC Level4astandards, the CLCC-6 flat packageislead(Pb)-freeandRoHS-compliant.根据JEDECLevel4a标准预处理的CLCC-6封装无铅（Pb），且符合RoHS。www.vishay.com4.Objective: To study the protectiveeffectofnimodipine(NIM)onhippocampalneuronsinratsacutelyexposedtolead(Pb).目的：了解尼莫地平对急性铅染毒大鼠海马神经元损伤的干预作用。www.hi138.com

权威例句

Evaluation of lead(Pb)-free ceramic ball grid array (CBGA): Wettability, microstructure and reliability
Decreased axonal density and altered expression profiles of axonal guidance genes underlying lead(Pb) neurodevelopmental toxicity at...
Effects of Lead(Pb) Stress on the Physiological and Biochemical Indices of Iris pseudacorus L
Lead(Pb) and Cadmium(Cd) Determination of Yacon by Graphite Furnace Atomic Absorption Spectrometry(GFAAS)
Accumulation of Lead(Pb) in Crops Grown in Polluted Farmland
Evaluation of lead(Pb)
Accumulation and Transfer of Lead(Pb) and Cadmium(Cd) on Different Species of Maize
Solubility of Lead(Pb) and Cadmium(Cd) in Soil by Microorganisms
Effects of low-dose and long-term lead(Pb) exposure on testicular enzymes in male Rana nigromaculata
Accumulation of Lead(Pb) and Its Effects on Growth and Physiological Status in Tomato