We had a lot of trouble levering the roots out.我们在撬树根时遇到了很多麻烦.The worker is levering at the rock.工人用杠杆移动岩石.The workers were levering huge rock.工人们正在用杠杆撬一块巨石....
She loved her students almost maternally.她像母亲一样爱她的学生.The resulting fetuses consisted of either mostly paternally or mostly maternally expressed genes.这样产生的胎儿要么主要是父方的基因表达,要么主要是母方的基因表达.Cytoplastic male sterility ( CMS ) in...