人体的免疫系统是抵御疾病的主要屏障。The immune system is our main defence against disease.这些人造屏障将会确保提供高度的保护。These man-made barriers will ensure a very high degree of protection.燕山是北京的天然屏障.The Yanshan Hills provide a natural defence for Be...
由此,他不去见希尔德加德便是顺理成章的事了。From that it followed logically that he would not be meeting Hildegarde.葡萄酒生产过剩及由此造成的市价低迷引起了经济波动。Overproduction and consequent low market prices for wine caused economic tremors.由此你可以算出银河系的总质量。From ...
一小部分——确切地说是5个——已经坏了。A small number — five, to be exact—have been bad.他解释了什么是南十字座,或者更确切地说,过去南十字座是什么。He explained what the Crux is, or rather, what it was.你会确切地知道自己哪里出了错。You will see exactly where you are slipping up....