n. 听诊器
- The doctor listened with a stethoscope to find out if the old man’s heart had stopped
医生用听诊器检查老的心脏是否已停止跳动。收藏 - He invented a new type of stethoscope.
他发明了一种新型听诊器。收藏 - The physician was aided by the stethoscope.
这医生有听诊器的帮助。收藏 - I take it you know what a stethoscope is.
我想你知道听诊器是个什么东西。收藏 - The stethoscope is a medical instrument.
听诊器是一种医疗器械。收藏
开心词场背单词


名词解释: