Dimitrovo
季米特洛沃(保加利亚西部城市佩尔尼克)
🗣️ 情景例句
I think it's about time we got going.
我想差不多是告辞的时候了。
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。
and a period (which is the time it takes a wave crest to travel one wave length).
和周期（浪峰走过一个波长所需的时间）。