Testifier
n. 证人, 证明者
✅ 同义词
🗣️ 情景例句
we are gathered here today
我们今天聚集在这，
Competition between bidders for this valuable painting has been keen.
拍卖时各出价对这幅名画竞争很激烈。
Where have you been?
你去哪儿了？