Paraformaldehyde
n. [化]多聚甲醛,仲甲醛
🔁 扩展释义
【化】 低聚甲醛; 多聚甲醛
🗣️ 情景例句
He's coming over to talk about it.
他就是要来谈这个问题。
Give me the rocket and boat, and I'll give you a sucker.
把那火箭和快艇给我，我就给你棒棒糖。
it was not long before its use as the uniquely recognizable broadcasting frequency for interstellar communication was suggested.
提出把它作为星际间唯一可辨认的广播频率就为期不远了。