🗣️ 情景例句
Say hi to your dad for me, and drive safely.
路上小心开车，并请向代我向令尊问好。
The first step is as good as half over.
第一步的成功等于事情的一半已完成。
One is the general atmosphere of secrecy in which it is carried out,
一是科研工作中普遍存在的保密气氛；