Hydrocarbon with condensed rings
[化] 稠环烃
🧩 词语组成解析
n. <化>碳氢化合物,烃;
hydro=hydrogen氢 + carbon碳 → 碳氢化合物
🗣️ 情景例句
He's stepped out of the office for a little while.
他离开办公室刚一会儿。
It matters not how long we live but how.
问题不是活得多么长,而是活得怎么样。
I spent the whole day in my room, but I did not write a single card!
我在房间里关了整整一天。然而竟连一张明信片也没写成!
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