The ability of clay minerals to catalyse decarboxylation has long been recognised.粘土矿物能催化脱羧基作用是早已认识到的问题.The results demonstrate that this catalyse has an excellent activity and selectivity this reaction.结果表明该催化剂对此合成反应具有很...
All these characters suggest aeolian dunes.这是风成沙丘的特征.This paper simply explained the principle and main reasons to cause aeolian vibration on transmission line.微风振动是高压输电线振动最普遍的形式,同时也是造成输电线路损伤的主要原因.The article analyses na...
It's silly to quarrel over trifles.为小事争吵是愚蠢的。I hate that they should be worried [ them to be worried ] about trifles.我不喜欢他们为小事发愁.Don't squabble over trifles.不要为一点小事就吵起来.I hate that they should be worried about ...
他抖动马缰.He sawed at the reins.手持马缰,拇指在上,小指在下.Hold the reins in your hands with your thumbs on top and pinkies on the bottom.军官勒住马缰, 向老人问路.Pulling his horse in, the officer inquired the way of the old man....
He was cordial, he was very civilized.他非常和蔼可亲, 十分文雅.Kennicott was cordial to Fern Mulins.肯尼科特对弗恩马林斯小姐倒是很亲热.Despite the occasional hiccup, the US and Laos have had quite cordial relations.尽管偶尔出现一些小的磕碰，美国和老挝一直保持着很友好的关系。He ...