Biregular
双正则
🗣️ 情景例句
I'll call and find out.
我打电话问看看。
If you remove stone by stone, even a mountain will be levelled.
一块一块把石移，高山也可变平地。
He waved desperately to his companion, who had been water skiing for the last fifteen minutes.
他绝望地向他的伙伴挥手，他的伙伴在过去的15分钟里一直在滑水。