你得学习成绩优良才能进入医学院。

You have to do well academically to get into medical school.

《牛津词典》

你只有通过一位会员才能进入该俱乐部。

You can gain entry to the club only through a member.

《柯林斯英汉双解大词典》

需要持有明确的空中交通管制许可才能进入B类空域，如接近一个大都会机场。

To enter Class B airspace, such as an approach to a major metropolitan airport, an explicit ATC clearance is required.

youdao

And then halfway across the courtyard, there was a screen that marked the entrance to another little enclosure, ; which is the shrine proper, the sanctuary proper; and only priests have access to that area.

庭院中途有一个屏,它是另一个小一点的界域的入口，它就是神殿，或者圣所;,只有祭司才能进入。

耶鲁公开课 - 旧约导论课程节选

So imagine the following example, an invader is thinking about invading a country, and there are two ways -- there are two passes if you like -- through which he can lead his army.

想象一下这样的例子,一个侵略者打算入侵一个国家,有两条路,想象成两个关口也行,侵略者必须通过一个才能进入

耶鲁公开课 - 博弈论课程节选

We know that the way we enter into society is by consent, by agreement to leave the state of nature and to be governed by the majority and by a system of laws, human laws.

众所周知，只有经过同意，才能进入社会,才能脱离自然状态，并被大多数人,被人类法律体系所管辖。

耶鲁公开课 - 公正课程节选