Erythroxyanthraquinone
[化] 赤氧基蒽醌
??? 情景例句
You can't expect to learn a foreign language in a week.
別指望一個星期就能學會一門外語。
We would like to point out that delivery before Christmas is essential and hope you can offer us that guarantee.
我們想指出圣誕節(jié)前交貨很重要并希望貴方能就此向我們作出保證。
She has been collecting stamps.
她一直收集郵票。