He is a pigheaded [ bullheaded ] person.这人真 拧.He's one Bullheaded old bastard.他是个顽固的老家伙.The kid has been obstinate and bullheaded from his childhood.这孩子从小就倔,有一股牛性子....
Some oscillation of the fuselage had been noticed on early flights.在之前的几次飞行中，就已经察觉到机身有些摇晃。Its oscillation depends on the strength of the gravitational field.它的振动幅度取决于引力场的强度。the oscillation of the compass needle罗盘指针的摆动...