Vacuum hearing aid
[医] 真空管助听器
🧩 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
We've got a forty-minute drive into the city.
我们还要开四十分钟的车到城里去。
Rear sons for help in old age; and store up grains against famine.
养儿防老。
I'll have a ham salad, please.
请给我一份火腿沙拉。