Daniel tried to act as peacemaker.丹尼尔想做调停人。Hill tried to play the peacemaker.希尔想要充当和事佬。Mother, ever the peacemaker, pointed her finger at my little brother and said, "See? Now stop!"一向充当和事佬的妈妈用手指着弟弟说：“看到了没？快住手！”...
他尝试着把牙齿放入牛奶 、 水和细胞培养液中.He tried putting teeth into milk, into water, and into cell - culture medium.然而, 在家里或学校里很少人手边有细胞培养液.However, few people keep cell - culture medium handy at home or in school.细胞 培养液 能够最好地在口外保持掉牙健康.T...