Undersigns
vt. 在…的下面签名, 签名于末尾（undersign的第三人称单数形式）
🗣️ 情景例句
I think aerobics is easy.
我觉得有氧运动很容易。
What college are you attending?
你在哪里上学？
The bridge has been washed away by the floods.
桥已经被洪水冲走了。