Definite operator
[计] 定算子
🧩 词语组成解析
🗣️ 情景例句
Sometimes he's very sad.
他有时很忧悒。
His friend was injured in an airplane crash.
他的朋友在飞机碰撞中受伤。
but ever since he moved in, he has had trouble with cars and their owners.
但自从搬进去后，就和汽车及车主们发生了磨擦。