Cottrell
n. 科特雷尔静电集尘器；科特雷耳电集尘器；电收尘器\\nn. (Cottrell)人名；(英、法)科特雷尔
🗣️ 情景例句
And these coral earrings for my daughter are so pretty.
还有给我女儿的珊瑚耳环也非常漂亮。
You have to be operated on.
你得做手术。
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。