Lysozyme is an enzyme found in egg white, tears, and other secretions.溶菌酶是存在于卵白 、 泪和其他分泌物中的一种酶.Chest percussion and vibration are used with postural drainage to help dislodge secretions.在做体位引流时要敲击和振动胸部帮助分泌物松动排出.Surfactan...
HED has certain clinical feature, especially about its skin lesion.HED有其一定临床特点, 皮损具有典型特征.Well be in a store and hed run up the escalator.例如我们在一家店里,而他要上手扶梯.He arrives on the dot. I was sure hed be late.他准时到了. 我本以为他会迟到的....
We mustn't condemn him on mere suppositions.我们不可全凭臆测来指责他.But as with many such suppositions in natural history, no one had ever tested it.博物学中虽然有许多类似的假设，却从没人对此考证过。We must make one of two following highly improbable ...