Prelaunch
a. 发射前的,下水前的
🗣️ 情景例句
A friend of a friend is good pals with the lead singer.
我一个朋友的朋友跟那个主唱歌手是朋友。
Could we see the specifications for the X200?
我们可以看一下X200型的详细规格吗？
and then there are three thousand million other Milky Ways, or galaxies, in the universe.
况且在宇宙中还有30亿个天河，即银河系。