Bipitch
双螺旋的, 双螺线的, 双节距的, 双头的
🗣️ 情景例句
I like to listen to the music and to play piano and occasionally to go swimming.
我喜欢听音乐、弹钢琴，有时候去游泳。
How much is the excess baggage charge?
超额行李费多少钱？
Yes, I am.
是的，我是。