1.healthy food 健康食品
例句:Do you always eat healthy food?
你总是吃健康食品吗?
2.the bottom of 底部;低端的
例句:There's a pub at the bottom of the road.
路的尽头有一家酒馆
。3.one and a half 一个半
例句:He banged out a brief article within one and a half hours.
他在一个半小内匆匆写好了一篇短文
。4.each day 每天
例句:An average of ten students are absent each day.
平均每天有十名学生缺席