Olefine complex
[化] 烯烃络合物
🧩 词语组成解析
[化] 烯烃; 链烯烃
🗣️ 情景例句
What do you do for a living, Mr. Stewart?
你是做哪一行的 Stewart先生？
It's not too heavy,but I don't know the exact weight.
它不是太重的，但是我不知道准确的重量。
I think that maybe his Chinese teacher will give Jim some work to do during the holiday.
我想吉姆的汉语老师也许会给他布置一些假期作业。