北极熊，在冰天雪地的北方生活的动物polar bears, denizens of the frozen north北极熊身上的白色的浓密软毛是一种天然的伪装.The white fur of the polar bear is a natural camouflage.北极仍是北极熊的领地.The Arctic remains the domain of the polar bear....
The adsorption behaviour of cephalexin on hanging mercury electrode surface is reported.报道了头孢氨苄在悬汞电极表面的吸附行为.The advances in the process technology for the enzymatic synthesis of cephalexin are reviewed.综述了酶法合成头孢氨苄的工艺方法研究...
The UN were faced with an ignominious withdrawal or a long-term military presence.联合国要么选择不光彩地撤军，要么选择维持长期的驻军。It is an ignominious thing to attack others in the back.在别人背后下刀子是一件非常不光彩的事.The marriage was considered especiall...
They will take that problem apart and analyze it in great detail.他们会认真分析那个问题，指出其症结所在。We should analyze the cause and effect of this event.我们应该分析这场事变的因果.The teacher tried to analyze the cause of our failure.老师设法分析我们失败的原因。...