Bell mouth
[机] 喇叭口, 锥形孔, 锥形底
🧩 词语组成解析
bell
[bel]
n. 钟，铃;钟声，铃声;钟状物;[建]圆屋顶;
vt. 敲钟;系铃于，给…装上铃;使成铃状;把…放在钟形罩内;
vi. 使象钟状地张开;鸣钟;
mouth
[maʊθ]
n. 口;出入口;传闻;
vt. 装腔作势地说;喃喃地说，心不在焉地说，言不由衷地说;
vi. 装腔作势说话;
🗣️ 情景例句
I hope you're hungry.
我希望你饿了。
When one is about to act, one must reason first.
凡事要先思而后行。
However, a new type of humour, which stems largely from the U.S.,has recently come into fashion.
然而，近来一种新式幽默流行了起来，这种幽默主要来自美国。