Underdrainage
n. 暗渠排水, 地下排水
🗣️ 情景例句
May I call you Malcolm?
我能称你 Malcolm 吗？
When the belly is full, the bones would be at rest.
饱暖图安逸。
In the morning, Mr.Sawyer goes to work and the children go to school.Their father takes them to school every day.
早上，索耶先生去上班，孩子们去上学。父亲每天送孩子们去上学。