Alkylaluminium
[化] 烷基鋁
??? 情景例句
Because the United States is the most important trade partner.
因為美國是我們最重要的貿易伙伴。
Everything must have a beginning.
凡是都有起源。
Well, Mrs Brown, maybe he has caught a bit of a cold.
嗯，布朗太太，也許他只是有點兒感冒。