Dibromo neopentyl glycol was prepared from pentaerythritol and hydrobromic acid.由季戊醇、氢溴酸制备了二溴新戊二醇.In organic bromide turn thing production line, it is usually by - product large quantity hydrobromic acid.在有机溴化物的生产过程中, 往往...
女主人大方地迎接她的客人.The hostess greeted her guests with ease.你可能会认为他起码应该大方地承认自己是撞上了好运。You'd think that at least he'd have the good grace to admit his blinding, jammy luck.她昂着头,仪态大方地走进了房间.She sailed into the room with ...
We visited the church where Schubert sang in the choir.我们访问了舒伯特曾在其唱诗班中歌唱的那个教堂.The steam sang as it escaped from the pipe.蒸汽从管子逸出时呜呜作响。The mother sang her baby a lullaby.妈妈给孩子唱了一支催眠曲.For an encore, he sang an unaccompanie...