Through nitrosation , hydrogenate reducion, and acylate three steps, the yield surpass 80 % for the diethyl malonate.收率相对于丙二酸二乙酯达到了80%以上.The necessary material of 2 - ( 2 - methoethyl ) acetaldehyde diethyl acetal was sy...
Let's keep to the subject, or you'll get me too confused.别跑题，否则你会把我搞糊涂的。They're working me too hard. I'm too old for this.他们把我用得太狠了，我老了，干不了这种活儿啦。"I've got a great feeling about it."— 'Me too...
Badminton court booking service is only available at Southorn Stadium. No such service in Macpherson Stadium.羽毛球场租场服务只设于修顿室内场馆. 麦花臣室内场馆不设此服务.Like Elle MacPherson or the girl at the Xerox place?就像超级名模艾尔或是影印店的那个女孩 吗 ?MacPh...
He was a man of extraordinary vigour and liberality of mind.他是个生气勃勃和思想非常开朗的人.The most remarkable feature in the whole occasion was the excessive liberality of the archdeacon.这场婚礼中最引人注目的特点,就是会吏长的分外慷慨.It would be great if ...
伯克匆匆地瞥了一眼菜单，然后啪地合上了。Burke cast a cursory glance at the menu, then flapped it shut.菜单每周都有变化，通常包含可供严格的素食者选择的菜肴。The menu changes weekly and usually includes a vegan option.点菜前先仔细看一下菜单。Before placing your order for a meal, s...
Don't try and double-cross me, Taylor, because I'll kill you.别跟我耍花招，泰勒，要不我会杀了你。Mr Arbor squawked that the deal was a double-cross.阿伯先生大声抱怨说这笔交易是个骗局。Be careful he doesn't double - cross you.当心别让他出卖你....