bell mouth

释义

喇叭口；漏斗口；锥形孔；锥形底

双语例句

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