Killdeer
n. [动] 小水鸟的一种(产于北美)
🗣️ 情景例句
Will I have to wait for a long time?
我得等很久吗？
Would you speak a little louder?
请你说大声一点好吗？
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。