他们苦学了11个月的强化课程，拿到了学位。They secure their degrees by slogging through an intensive 11-month course.基本原则已得到进一步强化。The ground rules have been firmed up.它的窗户装的是强化玻璃。Its windows were of reinforced glass....
原始人用石块和骨头做原始的工具.Primitive man made himself primitive tools from stones and bones.他们用石块压住箱子,把它沉到海里去.They weighed the box down with stones and dropped it into the sea.基督教殉道者被用石块击毙.Christian martyrs were stoned to death....
Liver and kidney are particularly rich in vitamin A.肝脏和肾脏富含维生素A。Liver cancer is linked to the hepatitis B virus.肝癌与乙肝病毒存在关联。These compounds bind with genetic material in the liver.这些化合物在肝脏中与遗传物质实现结合。...
粘膜或者皮肤上的破裂处都可能成为病毒入侵的通道.Mucous membranes or breaks in the skin were likely alternative entryways into the body.他的手肘从他衬衫袖的破裂处露出来.He is up to his elbow soapsuds , washing his shirt.生殖器发炎可能增加染病的机率,这一病毒可能通过由其它性病引起的皮肤破裂处进入人体....