Expectoration
n. 咳痰, 吐痰, 吐出物\\n[医] 痰, 咳出
✅ 同义词
🗣️ 情景例句
My friend, I am in a big mess, do you think you could help me tomorrow?
朋友，我现在正忙得一塌湖涂。明天你可以帮一下我吗？
I often listen to the radio at night.
我常常在晚上听收音机。
Some of the bigger firms are engaged in researches which are of such general and fundamental nature that it is a positive advantage to them not to keep them secret.
某些大公司进行的研究属于一般和基础性的研究。因此不保密对他们才有利。