Teenage boys clamber down mine shafts 30 to 50 meters deep.孩子们沿着杆子爬到深30到50米的矿井里.He deliberately jerked the shafts to rock him a bit.他故意的上下颠动车把,摇这个老猴子几下.Shafts and hubs are usually fastened together by means of keys.轴和轮毂通...
I had always considered myself a strong, competent woman.一直以来，我始终认为自己是个女强人。Her drawing is competent, but her composition is poor.她的画有功力, 但布局欠佳.He is not competent to the task of teaching English.他不能胜任英语教学工作....