🧩 词语组成解析
雨水槽, 排水槽
river
['rivə]
n. 河，江;溪，巨流;
🗣️ 情景例句
My father is an engineer of a construction company, and mother is a doctor.
我父亲是一家建筑公司的工程师，母亲是一名医生。
I learned grammar this afternoon.
我今天下午学语法。
Once waves have been generated,
一旦波浪形成，