Thruster
n. 向上钻营的人, 推进器
✅ 同义词
📖 牛津释义
thruster
n person who thrusts himself forward (to win an advantage, etc) 抢先的人（为赢得优势等）.
🗣️ 情景例句
I've got the council to agree
我已说服议会同意
Will it rain tomorrow?
明天会下雨吗？
and because there is so much of it the function would seem to e important.
睡眠占去那么多时间，所以其作用似乎还是很重要。