Severe steric effects at the reactive carbon would impede the substitution.大的立体效应阻止在碳上的取代.It was intended to impede the apprehension of the person.它旨在妨碍对该人的拘押的.They also impede backmixing of sand.同时也可防止砂子的返混....
It was intended to impede the apprehension of the person.它旨在妨碍对该人的拘押的.They also impede backmixing of sand.同时也可防止砂子的返混.At no time did I make an attempt to impede any investigatory effort.我绝没有试图妨碍过任何调查工作。Severe steric effe...
这个体育场配备了8万多个观众座席。The stadium has been fitted with seating for over eighty thousand spectators.首日比赛结束后，体育场空无一人。The stadium emptied at the end of the first day of athletics.4月20日，超人气乐团 U2将现身温布利体育场。Supergroup U2 will appear...
成车的食物、毯子与其他必需品抵达了该市。Truckloads of food, blankets, and other necessities reached the city.首批飞机运送的食物、儿童衣物和药品开始抵达。The first plane-loads of food, children's clothing and medical supplies began arriving.除非受恶劣天气干扰，南非邮船一般在...
Botanists had some difficulty categorizing the newly found plant.植物学家们不大容易确定这种新发现的植物的种类.Botanists refer this flower to the rose family.植物学家将这花归入蔷薇科.Our botanists try to find out where useful weld plants grow.我们的植物工作者们设法找...