Substances differentiated tissues secrete are called chalone.已经分化的组织分泌物称为抑素.Objective : To purify rabbit hepatic chalone HC , and investigate its biological activity, purity and molecular weight.目的: 制备家兔肝抑素纯品, 检测其生物活性 、 ...
钱也会用于越南的地方发展项目当中。Money will also go into local development projects in Vietnam.在越南的乡下真正的安宁是很难实现的.Real pacification is hard to get in the Vietnamese countryside.存在将真正的难民遣返回越南的风险。There was a risk of genuine refugees being ...
After a fruitless morning sitting at his desk he had given up.他在书桌前徒劳地坐了一上午之后便放弃了。It was a fruitless search.搜寻工作毫无结果。Their search for the plane is fruitless.他们对飞机的搜寻是毫无结果的....