提前的英语短语time

　　Tom reached school ahead of time.

　　汤姆提前到了学校。

　　Guess the answer ahead of time and strip all the decimal places off.

　　提前猜出答案，把小数点位数都去掉。

　　Set out ahead of time, and you are much less likely to miss the bus.

　　提前出发，你就能不太可能会错过巴士了。

　　Decide ahead of time what you're going to do at certain times each day.

　　提前决定你在每天的各个特定时间段要做什么。