Bipitch
双螺旋的, 双螺线的, 双节距的, 双头的
🗣️ 情景例句
He was very helpful to me, remember?
他帮过我大忙， 记得吗？
No matter what he does, don't show you mind.
不管他做什么，你总不要表现你介意。
Insuring public or private property is a standard practice in most countries in the world.
承办公共财产或私人财产保险是世界上大部分国家的正常业务。