Autodrainage
自体导液法
🗣️ 情景例句
He's a friend.
他是位朋友。
This year I'm in a co-ed dorm.
今年我住在男女生合住的宿舍。
In summer it is often too hot, and in winter it is too cold.
夏天常常太热，冬天又常常太冷。