Complete edition
全集
🧩 词语组成解析
🗣️ 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。
The agricultural region is centered largely in the north.
那里的农业区大部分集中在北部。
There is a table in the middle of the room.
房间的中央有张桌子。