母亲和婴儿血型不合会产生黄疸。Incompatibility between the mother's and the baby's blood groups may cause jaundice.你是什么血型？What blood group are you?罕见的血型a rare blood type...
敌军步兵正在隐蔽。The enemy infantry was hiding.欧洲中世纪时期,骑士是步兵中的最高头衔.Knight was the top title for field soldiers during the Middle Ages.他签署了志愿书要在步兵服役九年.He signed on for nine years in the infantry....
She is a nurse's aide.她是护士的助手.He was supposed to act as the marshal's aide.他的职责是作指挥官的副官.An aide to the governor will be at the hearing here this afternoon.州长的一位助手要来出席今天下午的听证会....