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
Tell me the courses you have completed in school and what is your favorite subject?
你曾修读哪些课程和你最喜欢哪一科?
Have you had breakfast yet?
你吃过早餐了吗?
Where's my skirt, mother? Do you know?
妈妈,你知道我的衬衫在哪吗?
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