Bipitch
双螺旋的, 双螺线的, 双节距的, 双头的
🗣️ 情景例句
Let me give you this information to look over.
那么让我给你些详细资料做参考。
It's very nice of you to come and see me off.
您来给我送行，真是太客气了。
What's it used for?
有什么用途？