Bellwether
出国 Abroadn. 系铃带头羊, 前导, 领导者
✅ 同义词
🗣️ 情景例句
Please declare anything you're unsure of.
申请报告有你没太明确是否需要申报的东西。
It is a good horse that never stumbles.
良马不失蹄。
They don't get enough air.
（那样）鱼得不到充足的空气。