Sparkplug
vt. 倡导, 激励\\nn. 火花塞, 中坚
✅ 同义词
🗣️ 情景例句
I researched it for over a year.
我研究了一年多。
She seems to have no principles at all when it is a question of making money.
一碰到挣钱的事，她就好像完全不顾自己的人格了。
Eventually the turtle has been butted all the way down to the floor of the tank.
这只海龟最终被撞到池底。