Sleeving
套管
🗣️ 情景例句
Eating salad is good for your health.
多吃色拉（蔬菜）对你的健康有益。
How was your flight? Was it comfortable?
你坐的班机怎么样？还舒服吗？
I'm afraid I didn't, officer.I must have been dreaming.
恐怕我没有看见，警官。我一定思想开小差了。