摘要目的观察鸡羽根 角蛋白 管作为组织工程材料的毒性作用.Objective To evaluate the toxicity of chicken calamus keratin ( CCK ) conduit as a tissue - engineered scaffold material.在这一阶段,有一簇羽枝会与中空圆柱融合在一起, 形成翮(即羽根).This stage produced a tuft of barbs f...
a little posse of helpers一小伙帮忙的人A posse of Marsh's friends persuaded them that this was a bad idea.马什的一群朋友劝他们说这是个馊主意。Those on today's posse got one drink coming from the county budget!今天巡逻的人喝一杯县里出钱的酒....
花粉热临床表现为流泪、流涕，眼睛、鼻子发痒。When someone has hayfever, the eyes and nose will stream and itch.假发让人感觉发痒，很不舒服。Wigs are itchy and uncomfortable.症状包括皮肤发红、发痒、发炎。Symptoms include red, itchy and inflamed skin....