例句:It's always crowded at peak times. 高峰期总是非常拥挤。
2.turn to 转向
例句:Tonight it's my turn to cook. 今晚该我做饭了。
3.at least 至少
例句:He's been away for at least a week. 他走了总有一个星期吧。
4.along with 伴随
例句:He came along with some friends. 他和几个朋友一道来的。