Olefine complex
[化] 烯烃络合物
🧩 词语组成解析
[化] 烯烃; 链烯烃
🗣️ 情景例句
I am having a good time, Harry.
我玩得很高兴， Harry。
Does it really look OK?
看上去真的不错吗？
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。