Backstroking
n. 仰泳；反手击球\\nvi. 仰泳；反手击球\\nvt. 用反手击
🗣️ 情景例句
I'd like to give thanks for Grandpa coming to live with us.
我感谢爷爷到这儿和我们一起生活。
A useful trade is a mine of gold.
一样有用的手艺是取之不尽的财富。
The constitution guards the liberty of the people.
宪法保护人民的自由。