He was put on a high dosage of vitamin C.给他服了大剂量的维生素C。He had improved so much the doctor had cut his dosage.他康复很快，医生已减少了用药剂量。Excessive dosage of this drug can result in injury to the liver.这种药使用过量会损害肝脏....
Outside, a raven cawed.外面，一只渡鸦尖叫了一声。Her charming face was framed with raven hair.她迷人的脸上垂落着乌亮的黑发.The symbols of Apollo were the wolf, swan, raven, stag, dolphin, laurel, and lyre.阿波罗的象征物是狼 、 天鹅 、 渡鸦 、 雄鹿 、 海豚 、 桂冠和竖琴....