Zec
abbr. zero-energy coefficient 零功率系数
🗣️ 情景例句
Yes, I read you loud and clear.
嗯，我完全明白。
If you don't aim high you will never hit high.
不立大志，难攀高峰。
A temporary rudder was made on board from spare planks and it was fitted with great difficulty.
船员用备用的木板在船上赶制了一只应急用的舵，并克服重重困难将舵安装就位，