Ethymylation

[机] 炔化

🗣️ 情景例句

We really appreciate it.
我们实在很感激。
Make haste slowly.
从容赶急。
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。
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