Afterframe
后框架
🗣️ 情景例句
Bye.
再见。
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。
It is the natural frequency of emission of the hydrogen atoms in space and was discovered by us in 1951;
这个频率是空间氢原子释放的自然频率，是在1951年被人类发现的。