Biflex
a. 有两处弯曲的, 朝两个方向弯曲的
🗣️ 情景例句
This job offers me a real challenge.
这项工作对我构成真正的挑战。
We are sure to defeat them.
我们一定会打败他们。
That's right. And the air today is nice and clean.
对。今天空气很清新。