have to be
US /ˈhæv tə bi/
UK /ˈhæv tə bi/
短语
1.
一定是, 必然是
used to express certainty or strong probability
示例:
•
It has to be true; I saw it with my own eyes.
那一定是真的；我亲眼所见。
•
She has to be the best singer in the competition.
她一定是比赛中最好的歌手。
2.
必须是, 需要是
used to express necessity or obligation
示例:
•
You have to be at the meeting by 9 AM.
你必须在早上9点前到会。
•
For this recipe, the butter has to be at room temperature.
对于这个食谱，黄油必须是室温。