不透露患者病情的细节是惯常的做法。It is normal practice not to reveal details of a patient's condition.他们讥讽着，喊叫着，打破了惯常的那一分钟沉默。They interrupted the customary one minute's silence with jeers and shouts.这封信是用她惯常的尖刻语调写的。The letter ...
The insert cDNAs were clonedinto EcoR I - digested, BAP - treated pUC 18 vectors and transformed into E.同时以EcoR酶消化环状pUC18DNA, BAP对载体5端去磷酸化.The caterpillar was transformed into a butterfly.毛毛虫变成了蝴蝶。The very basis of India...