Lacina
[医]（胸）叉丝（革螨）
🗣️ 情景例句
You really must have your wits about your when dealing with such people.
跟这类人打交道，你必须格外警觉。
Is this seat taken?
这位子有人坐吗？
The other students in the class keep their eyes closed.
班里其余学生一直闭着眼。