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
Does this come with a certificate of authenticity?
这有鉴定证明吗？
Went on to get his master's degree from harvard.
然后在哈佛大学取得了学士学位。
The next day he walked through the wood again.
第二天，他再次穿过树林。