人们相信压力能确实地使免疫系统功能下降.It's believed that stress can actually depress the immune system.由于移植会使免疫系统变弱, 病人在此情况下不能施行手术.Because transplants weaken the immune system, they cannot be performed on sick patients.病原体始终在进化,使免疫系统...
He tried to memorizes all the dates for his history class.他试图记住历史课上讲到的所有日期.In both dates and geography he pretty well hashes the history of the company.他把这家公司历史上的日期和地理位置完全搞乱了.He could reel off the dates of the kings of E...
他正在辛苦地干活.He was sweating like a bullock.教授正在辛苦地编字典.The professor is drudging at dictionary - compiling.全村日夜辛苦地干着,要在9月的雨季之前收割并打完今年的庄稼.The whole village has been working day and night gathering and threshing this year'...