Hydrophone
n. 水中听音器, 检漏器, 水诊器\\n[医] 隔水听诊器
🗣️ 情景例句
Besides, reasonable quantities of marketing literature are supplied free of charge.
此外,我们还免费提供一定数量的营销资料。
What have you decided?
你决定了什么?
Not too bad.I think I passed in English and Mathematics.
不算太坏,我想我的英语和数学及格了。
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