end bell 端承口
rotor end bell 转子护环
cable end bell 电缆锥形尾端
large end bell [建] 大头承口
bell end 承口 ; 承插端 ; 钟口
The bell sounded for the end of the class.
下课铃响了。
The bell went for the end of the lesson.
下课的铃声响了。
Possibly the oddest suggestion is that the universe is funnel-shaped, with one narrow end and one flared end like the bell of a trumpet.
或许有种最古怪的想法,那就是认为宇宙是漏斗状的,有着狭窄的一头和向外开展的一头,像是一个喇叭口。
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