obstacle的近义词有：obstacle, barrier, obstruction, bar, hindrance。下面这些名词均含"障碍(物)"的含义：obstacle：指在达到目的或前进的过程中必须消除或绕过的障碍物，也指起阻碍作用等情况。barrier：常指临时的或者可能跨越的障碍。obstruction：常既指具体的障碍又可指抽象或喻意上的阻碍。bar：既可指阻止进出或通过的栅栏一类的障碍物，也可用于抽象意义障碍。hind...
The agreement removes the last serious obstacle to the signing of the arms treaty...这个协议排除了签订武器条约的最后一个严重障碍。Lack of money has proved an almost insurmountable obstacle.资金不足已成为一个几乎无法逾越的障碍。Most competition cars will only rol...
乳糖产生葡萄糖和半乳糖.Lactose gives glucose and galactose.碳水化合物部分由半乳糖,葡糖胺, 岩藻糖和唾液酸组成.The carbohydrate portion is made of gala ctose, glucosamine, fucose and sialic acid.半乳糖酵催化半乳糖水解的一种酶.An enzyme that catalyzes the hydrolysis of a ...
Do not let the discussion fragment into a desultory conversation with no clear direction.不要让讨论变得支离破碎，成为没有明确方向的漫谈。Carrie followed up this desultory conversation with occasional interruptions from the Vances.嘉莉继续这样随便地谈着,万斯...