second-class
英 [ˈsekəndklɑ:s] 美 [ˈsɛkəndˈklæs]

adj.

第二流的；次要的；第二地位的；二类邮件的

adv.

二类地；乘二等车地；坐二等舱地；

英英释义

second-class[ 'sekənd'klɑ:s, -'klæs ]

• n.
  • not the highest rank in a classification

    同义词：second class

  • not the highest quality in a classification

    同义词：second class

  • accommodations on a ship or train or plane that are less expensive than first class accommodations

    同义词：Cabin classsecond class

• adj.of inferior status or quality

  "a second-class citizen"; "second-class accommodations"

• adv.by second class conveyance

  同义词：second class

权威例句

Quantization of relativistic systems with boson and fermion first- and second-class constraints
Terabus: Terabit/Second-Class Card-Level Optical Interconnect Technologies
Path integral quantization of field theories with second-class constraints ☆ ☆☆
Migrants as second-class workers in urban China? A decomposition analysis ☆
AN Sp(2) COVARIANT FORMALISM OF A GENERALIZED CANONICAL QUANTIZATION WITH SECOND-CLASS CONSTRAINTS
An ${rm Sp}(2)$ covariant formalism of a generalized canonical quantization with second-class constraints.
Tests for Second-Class Currents in Nuclear Beta Decay
Hamiltonian embedding of a second-class system with a Chern-Simons term
Hamilton-Jacobi treatment of second-class constraints.
A study of the axial-vector form factor and second-class currents in antineutrino quasielastic scattering