Trifold
n. 三倍数, 三个一组\\na. 三倍的
🗣️ 情景例句
Every cloud has a silver lining.
乌云背后是银边，否极泰来。
I've got it!
我接住了！
Everything's very quiet.I'm sure there's no one at home.
毫无动静，肯定家里没有人。