Hydropteridine
氢化蝶啶
🗣️ 情景例句
It's certainly a pleasure to meet you.
认识你真是我的荣幸。
What does she mean by canceling her performance?
她取消自己的演出是什么意思？
There had been fuel on the ship, but this did not appear to have caused the fire, and little smoke was produced.
很显然，船舱里已经发生了一场烈火，但是船舱内壁却完好无损。船上存放着汽油，但火灾似乎不是它引起的，因为没有冒出什么烟来。