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...
屋顶的两面斜面都有破瓦片.On both slopes of the roof there are broken tiles.伽利略让小金属球从斜面滚下.Galileo rolled small metal balls down the incline.图3.21画出了平行于斜面的、相互保持平衡的几个力.Figure 3.21 shows the forces parallel to the plane that are respons...
一碗浇了大量奶油的草莓a bowl of strawberries with lashings of cream这东西有奶油的香甜味道.It tastes deliciously creamy.高脂厚奶油中脂溶性维生素的含量大约是稀奶油的两倍。Double cream contains approximately twice the quantity of fat-soluble vitamins as single cream....
他们自己做饭，纺线，做木工活。They do their own cooking, spinning, and woodworking.让尼尔来做吧,他做木工活很在行.Ask Neil to do it — he's a dab hand at carpentry.迈尔斯能做木工活他有一双巧手.Miles can do carpentry and he's good with his hands....