adj.能迅速生利的
I do not like to go to the movies by my self. 我不喜欢自己一个人看电影。
I my self is going to make a sandwich. 我要亲手做个三明治。
He was a wreck of his former self. 他身体坏得不成样子，已兴从前判若两人。
Knowledge of self increases as one gets older. 随着年岁的增长，人们的自我认识也不断加深。
Most synthetic detergents are in the form of powder or liquid. 大多数合成洗涤剂呈粉状或液态。
Be careful not to lose too much liquid by evaporation. 小心，不要因为蒸发作用而失掉过多的水份。
