Sparkplug
vt. 倡导, 激励\\nn. 火花塞, 中坚
✅ 同义词
🗣️ 情景例句
A list of these items and a volunteer form
这些物品的清单和义工申请表格
How long has it been since you've heard from your uncle?
自从你听到叔叔的消息有多长时间了？
It will be out next month.
下个月即可推出。