211 one day ＝some day ＝someday 一天，有一天
212 one of +可数名词的复数形式
213 one to another 一个到另一个
214 over and over agin 一遍又一遍的 eg ： He cleaned the floor over and over agin
215 part-time job 兼职工作 fall-time job 全职工作
216 pay for 付钱 pay the bill 开钱 ，付钱
217 please +do
218 please help yourself
219 pleased with sb
220 pool into = pore into
211 one day ＝some day ＝someday 一天，有一天
212 one of +可数名词的复数形式
213 one to another 一个到另一个
214 over and over agin 一遍又一遍的 eg ： He cleaned the floor over and over agin
215 part-time job 兼职工作 fall-time job 全职工作
216 pay for 付钱 pay the bill 开钱 ，付钱
217 please +do
218 please help yourself
219 pleased with sb
220 pool into = pore into