Mechanical hearing aid
[医] 机械助听器
🧩 词语组成解析
hearing
['hɪrɪŋ]
n. 听力，听觉;审问;听力所及的距离，听得见的范围;听证会，〈美〉意见听取会;
v. 听到，听见( hear的现在分词);
hear听 + ing 名词后缀→ 听力,听觉
aid
[eid]
n. 帮助;助手;外援;辅助设备;
vt. 帮助;资助;救助;促进;
vi. 帮助;
🗣️ 情景例句
Thanks for the haircut, keep the change.
谢谢你给我剪头，不用找了。
Where are the stairs?
楼梯在哪里呢？
These days, it is differences in national regulations, far more than tariffs, that put sand in the wheels of trade between rich countries.
当前，是各国管理条例上的差异，而不是关税阻碍了发达国家之间的贸易。