Magnesium carbide
[化] 碳化镁
🧩 词语组成解析
magnesium
[mæg'ni:zjəm]
n. [化]镁（金属元素）;
n. 碳化物\\n[化] 碳化物; 碳化钙; 电石
🗣️ 情景例句
It's easy to pick something for my colleagues, but it's difficult for my boss.
给同事们的应该不难买，但是给老板的就难罗。
The restaurant doesn't open until seven forty-five.
饭馆要到七点四十五分才开门。
So archaeologists have neither history nor legends to help them to find out where the first 'modern men' came from.
于是，考古学家们既缺乏历史记载，又无口头传说来帮助他们弄清最早的“现代人”是从哪里来的。