【定义】从介词开始到名词结束、表达一个独立的完整的含义的结构。
【起止标识】标记介词短语时，要从介词开始到介词之后的第一个名词终止。如：at home、in the school、in the beautiful park、during my happy childhood、over the last few years、for three weeks
【例句】 (After chatting) (with Laura) (on this matter) (for two hours) (from 2:00 to 4:00) (in the afternoon), I returned (to my office).
【起止标识】标记介词短语时，要从介词开始到介词之后的第一个名词终止。如：at home、in the school、in the beautiful park、during my happy childhood、over the last few years、for three weeks
【例句】 (After chatting) (with Laura) (on this matter) (for two hours) (from 2:00 to 4:00) (in the afternoon), I returned (to my office).
