Triassic acid
[化] 三叠酸
🧩 词语组成解析
a. 三叠纪的
🗣️ 情景例句
Nowadays more and more people are without jobs.
现在越来越多的人失业。
Learn to say before you sing.
按部就班。
Sometimes I think this house will be knocked down by a passing plane.
有时我觉得这房子就要被一架飞过的飞机撞倒。