Draw your child's outline with a heavy black marker.用浓黑色的毡笔画出你孩子的轮廓。IntI 1 integrase gene and class 1 integron marker genes were detected by PCR.PCR扩增检测intI1整合酶基因,sul1和qacE△1基因.A hardpoint marker should be placed at...
建造工人必须把新建房屋的屋顶固定得更牢靠些。Builders must fasten down roofs of newly-built homes more securely.地面摇晃，周围房屋的墙体在他们身边倒塌。The earth shook and the walls of neighbouring houses fell around them.许多房屋的卖主仍然陷在经济衰退的困境中。Many home sellers rem...
The General was massing his troops for a counterattack.将军正在集结部队准备反攻。The enemy are massing their forces for an attack.敌人在集结兵力发起进攻.Troops are massing on the frontier.部队在边境集结....
The governor was forced to parley with the rebels.州长被迫与反叛者谈判.The rebels have withdrawn to their mountain fastness for the winter.叛军撤至他们的山寨过冬.All the rebels have been captured.叛逆者全部被捕了。She often rebels at her mother'...
The inner asteroid belt be a virtual twin to the belt in our solar system.事实上,内部的那个小行星带跟我们地球的小行星带犹如双胞胎一般,极为相似.There is an asteroid on a collision course with the Earth.有一颗小行星可能会与地球发生碰撞。The Geminides originate from myster...