Lsst
abbr. large space systems technology 大空间系统技术
🗣️ 情景例句
Why are you in such a good mood?
为什么你的心情那么好？
Recently, I have learned a lot of new things about myself.
最近，我学到了许多自己以前不明白的事理。
I have a headache, and she has a stomachache.
我头疼，她胃疼。