trying to gradually accustom the students to their new surroundings设法使学生们逐渐适应新的环境

The time he spent in the army has accustomed him to rising early in the morning.由于曾在部队服役，他习惯早起。

He'll have to accustom himself to life in a new country. [=he will have to become adjusted to life in a new country]他得使自己适应在新国家的生活。