Alkyl magnesium halide
[化] 卤化烷基镁
🧩 词语组成解析
n. 烷基, 烃基\\na. 烷基的, 烃基的
magnesium
[mæg'ni:zjəm]
n. [化]镁（金属元素）;
n. 卤化物\\na. 卤化物的
🗣️ 情景例句
I've never been able to figure him out.
我一直不能理解他。
Hope is life and life is hope.
希望才有人生，人生要有希望。
So the number of stars that we know exist is now estimated at about 300 million million million.
因此，我们所知道的现有恒星数目估计约有30亿×1000亿颗。