Radon is known to be harmful to humans in large quantities.众所周知，大量的氡会对人体造成伤害。Such chemicals taken up by plants can be harmful to humans and animals.这种化学物质被植物吸收上来,就可能对人畜产生危害.Generally speaking, natural obesity should not ...
Moreover, intranuclear and deficiency of cellular junction among tumor cells were found.瘤细胞核核内假性包涵体;瘤细胞间缺乏细胞连接.The pink intranuclear inclusionsprecursors seen here are characteristic for parvovirus infection.红细胞前体内的粉红色核内...
他是个拘谨的人,不爱多说话.He is very reserved. He does not say much.我的天性是很拘谨的.I'm really a very private person.玛丽说话时脸上露出了拘谨的神色.Mary spoke with restraint in her face....