Backstroking
n. 仰泳；反手击球\\nvi. 仰泳；反手击球\\nvt. 用反手击
🗣️ 情景例句
With Pete, you never know, Robbie.
你不可能猜到Pete会耍什么花样， Robbie。
He has never been out of China, so he is very excited about liveing abroad.
他以前从未出过国，因此对出国很兴奋。
Thanks for your letter.
谢谢你给我来信。