Tetramethylethylenediamine
四甲基乙二胺
??? 情景例句
I want to buy shares in multi-national pharmaceutical company.
我想購買一家跨國醫藥公司的股票。
Who cares!
我不在乎！
Don't you remember?I had to water it every day.
你記得了嗎？我不得不每天澆水。