bell mouth
英 [bel mauθ] 美 [bɛl maʊθ]

释义

喇叭口；漏斗口；锥形孔；锥形底

双语例句

1. A valved brass wind instrument that produces a mellow tone from a long, narrow tube that is coiled in a circle before ending in a flaring bell.
   一种有活瓣的铜管乐器，从漩涡形且端部有喇叭口的又长又细的管子里发出圆润的乐音。

权威例句

How does CPD affect teaching and learning? Issues in systematic reviewing from a practitioner perspective
BEVERAGE PRODUCTS AND FLAVOR SYSTEMS HAVING A NON-SWEETENING AMOUNT OF REBAUDIOSIDE A
CENTRIFUGAL SEPARATORS
Attached and Free-Floating Bacteria in the Fraser River Estuary, British Columbia, Canada
Just Let It Melt in Your Mouth
Money Where Your Mouth Is
Foot-and-mouth vaccine
Grand Canon; mouth of Kanab Wash.
Dry Mouth and Dietary Quality Among Older Adults in North Carolina
Protective mouthguards and sports injuries