Biflex
a. 有两处弯曲的, 朝两个方向弯曲的
🗣️ 情景例句
Don't go looking for trouble.
别没事找事。
Would you mind mailing this letter for me?
你能替我寄这封信吗？
I usually come by bus. What about you?
我平常乘公共汽车。你呢？