Aliphatic unsaturated hydrocarbon
[化] 脂族不饱烃; 不饱链烃
🧩 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
Otherwise, they'll not be considered.
否则不予受理。
Put your shoulder to the wheel.
努力工作。
You've got lots of old buildings in your country.
你们国家有许多古老的建筑物。
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