Nilpotent
a. [数] 幂(为)零的
🗣️ 情景例句
I am happy to do it for you.
我很高兴为你们做这件事。
He has been to America.
他去过美国。[曾经有过的经验]
for there was a danger that if she traveled too quickly, this rudder would be torn away as well.
因为船不能开得太快，否则就有危险，应急舵也会被刮走。