假期里跟着家人去了越南一趟,在那儿,我可真是大开眼界。除了绮丽的热带风光外,给我印象最深的就是越南人的瘦──满街都是身材苗条的越南人。怪不得导游告诉我们,越南的特色——“四苗条”里面就有著名的“人苗条”一项。可是我不明白,越南人为什么那么“苗条”呢?环境好?锻炼 During the holidays, I went to Vietnam with my family. There, I really had an eye-opener. In addition to the beautiful tropical scenery, what impresses me most is the Vietnamese skinny ─ ─ all the streets are slim Vietnamese. No wonder the tour guide told us that the Vietnamese characteristics - “Slender” inside there is a famous “slender” one. But I do not understand why the Vietnamese are so “slim”? Environment is good? Exercise