Bialternant
[数]双交替式
🗣️ 情景例句
We finished addressing over three hundred envelopes.
我们写了三百多个信封地址了。
A wilful fault has no excuse and deserves no pardon.
不能宽恕故意犯下的错误。
Hi, Li Lei! Nice to see you again!
你好，李磊！又见到你了，真高兴！