N, N - diethylaniline was synthesized under normal tempreture with tetraethyl ammonium hydroxide as phase transfer catalyst.以苯胺和溴乙烷为原料,用四乙基氢氧化铵作相转移催化剂,在常压下合成N, N二乙基苯胺....
On admission he was found to have widespread congenital ichthyosis.入院时发现,其身体多处患有先天性鳞癣,热度已消,但颈部、下和腹股沟淋巴腺仍肿大,脾缘可触及.Harlequin ichthyosis ( HI ) is a severe subtype of autosomal recessive congenital ichthyoses ( ARCI ) .丑角样鱼...
He went on to intimate that he was indeed contemplating a shake-up of the company...他继续暗示他确实在考虑对公司进行一次大改组。I hate to interrupt your intimate conversation but we do have an assignment to discuss.我实在不愿打断你们的私人谈话,但是我们确实有事要谈。T...
They are now realising just how much they owe to kind-hearted strangers.他们现在开始意识到那些心地善良的陌生人帮了他们多大的忙。He was a warm, generous and kind-hearted man.他是个热情、大方、善良的人。Beneath his gruff exterior, he's really very kind-hearte...
It was windy and Jake felt cold.风很大，杰克觉得很冷。It was so windy my umbrella turned inside out.风很大,把我的伞吹翻了.He keeps up his long - distance running whether it's windy or snowy.刮风也罢,下雪也罢,他都坚持 长跑....
One of the uncertainties of military duty is that you never know when you might suddenly get posted away.任军职不稳定的因素之一是你永远不知道什么时候会突然被派往它处.Uncertainties affecting peace and development are on the rise.影响和平与发展的不确定因素在增加.The S...