Stethoscopes
n. 听诊器( stethoscope的复数形式 )
🗣️ 情景例句
About three weeks. We'll have enough time for our talks.
大约三个礼拜，我们有足够的时间交谈了。
It's not too heavy,but I don't know the exact weight.
它不是太重的，但是我不知道准确的重量。
Please fill in the blanks when you are answering the test questions.
你考试时请把那些空填上。