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
Most boys like baseball, but he is an exception.
大多数的男孩喜欢棒球，但他是个例外。
She passed her competitive examination not without difficulty.
她好不容易才通过了答辩考试。
Just a minute. She's taken the bag that usually sits on top of the cupboard.
等等。她带走了通常放在壁橱顶上的包。