要自制肥皂, 你需要3样主要原料: 油 、 水和碱液.To make soap, you need 3 main things: oil, water and lye.一些人用钾碱液制皂.Some people make soap will potash with potash lye.不要吸入碱液,也不要让小孩靠近它.Do not breathe lye and do not let small children near it....
他们苦学了11个月的强化课程，拿到了学位。They secure their degrees by slogging through an intensive 11-month course.基本原则已得到进一步强化。The ground rules have been firmed up.它的窗户装的是强化玻璃。Its windows were of reinforced glass....