Backstroking
n. 仰泳；反手击球\\nvi. 仰泳；反手击球\\nvt. 用反手击
🗣️ 情景例句
She is making steady progress in her learning.
她在学习中不断进步。
Do you know when the next exam is?
你知道下次考试在什么时候吗？
On Reading
论阅读