The empirical evidence considered here is subject to many qualifications.此处提及的实验证据有诸多限制条件。Egypt had agreed to a summit subject to certain conditions.埃及有条件地同意了一项峰会主题。The prices of overseas holidays are subject to surcharg...
barrier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。hindr...
The wind was bouncing the branches of the big oak trees.一棵棵高大橡树的枝条随风摇摆。The branches tore at my jacket and scratched my hands and face.树枝刮破了我的夹克，划伤了我的手和脸。They've torn down wooden fences and broken branches off trees....