Diazene
二氮烯
🗣️ 情景例句
The only entry requirement is a valid passort.
入境的唯一条件就是持有一本有效的护照。
Which would you prefer, a smoking seat or a non-smoking seat?
你喜欢哪种，吸烟座还是禁烟座呢？
The officer in the control tower was very angry when he heard the news,
控制塔上的官员得知这一消息后，非常气愤，