Stratus
n. 层云
🗣️ 情景例句
Unless in uniform, he doesn't look like a policeman.
除非穿上制服，要不他看起来不像警察。
Do you swear to tell the truth, the whole truth, and nothing but the truth?
你发誓据实陈述而决无谎言吗？
Nobody has ever solved this problem.
没有人曾解决过这个问题。