He picked up the phone expecting to hear the chairman's gruff voice.他拿起电话，心想会听到主席粗哑的嗓音。a gruff manner粗暴的态度Beneath his gruff exterior, he's really very kind-hearted.他外表冷漠，心地却十分善良。He could be gruff and monosyllab...
He's touring South America at this moment in time.他此刻正在南美旅游观光。They fled to South America around the turn of the century.他们在世纪之交逃到了南美洲。We dowse oil and ore in South America for big companies.我们在南美洲为一些大公司探测石油和矿石。...
Her mother has an underactive adrenal gland.她的母亲肾上腺机能不全.The objective is to study the imaging features of adrenal hemorrhage in neonates.目的是探讨新生儿肾上腺出血的影像学特征。Objective To improve the diagnosis and treatment for myelolipom...