Occasionality
n. 偶然性, 非经常性
🗣️ 情景例句
What is your regular practice concerning the terms of payment?
你们一般采用什么付款方式？
The student felt very shy as he stood in front of the class.
那个学生站在大家的跟前时，感到非常难为情。
This is done by a great number of ring-shaped air jets on the bottom of the craft.
船底装上大量环状喷气嘴以实现这一目的。