Backcrawl
= backstroke
🗣️ 情景例句
One is as old as one's heart.
心多老人多老。
She couldn't discern the very slight differences between the two.
她无法分辨双方为少的差异。
I think you probably know China has adopted a flexible policy in her foreign trade.
我想你也许已经了解到中国在对外贸易中采取了灵活的政策。