他们生活在一种令人感到幽闭恐惧的不健康氛围里。They lived in an unhealthily claustrophobic atmosphere.不要吃不健康食品，如汉堡和薯条。Avoid unhealthy foods such as hamburger and chips.他的皮肤有种不健康的淡灰色。His skin had an unhealthy greyish tinge....
A large portion of this cost devolves upon the patient.这笔费用的很大一部分落在病人身上。Damage was confined to a small portion of the castle.城堡仅有一小部分受损。I have spent a fairly considerable portion of my life here.我生命中相当长的一段时光是在这里度过的。...
Corrosives are generally toxic, so follow the precautions cited in the following section on toxics.腐蚀剂一般来说是有毒的, 所以请遵守下文关于毒品的防范措施.Objective To evaluate the diagnostic methods and treatment of gastric ulcer perforating wit...
In the worst - case scenario, UV light mutates DNA, leading to premature aging or skin cancer.在最差的情况下, 紫外线能使DNA发生突变, 于是导致提前老化或皮肤癌.In this paper , UV - Vis spectra of oil, oil, sunflower oil and hogwash oil were studied.研...