Sparkplug
vt. 倡导, 激励\\nn. 火花塞, 中坚
✅ 同义词
🗣️ 情景例句
Lend-me your black-bag.
把你的黑包借给我吧。
A friend is never known till a man have need.
不到患难时，永远不能认识真正的朋友。
I can't order these clothes, unless you can wait some time, or change this note.
如果你不能等些时候或者破开这张票子，我就不能订做这批衣服。