Stethoscopist
n. 擅长听诊的医生；能熟练使用金属探伤器的人
🗣️ 情景例句
In about half an hour. Why?
大约半个小时。为什么问这个？
They that marry in green,their sorrow is soon seen.
年纪轻轻就结婚，为时不久便悔恨。
How did the bees know exactly in which diection to fly?
蜜蜂是怎样确切地知道朝哪个方向飞呢？