Diplodesmic
双层维管束的
🗣️ 情景例句
I have been a poor student of foreign languages.
外语就学得不好。
The racer's car burst into flames just as he had crawled out.
当赛车手爬出车子后不久，汽车就爆炸燃烧了起来。
Oh? Is there some trouble?
哦，有什么问题吗？