Constringence
倒色散系数
🗣️ 情景例句
to read to the students--their own children, really.
共同为学生们， 其实就是他们自己的孩子， 朗读
Which one is more delicious.
哪一个是比较好吃的？
CUSTOMS OFFICER: Are your friends Danish, too?
你们的朋友也是丹麦人吗？