儿童在7、11和14岁时要接受核心课程的测验。

Children are tested on core subjects at ages 7, 11 and 14.

《牛津词典》

位于壳中部的是小型球形绿色星体，绽放时，在烟花核心形成凫蓝色牡丹图案。

In the center of the shell are tiny round green stars that burst as a teal peony at the firework's nucleus.

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当他们作为供养者和保护者、父亲和战士的核心身份受到质疑时，他们比女性更容易哭泣。

They are more likely than women to cry when their core identities—as providers and protectors, as fathers and fighters—are questioned.

youdao

In terms of why universities need Muslim chaplains, when I was at NYU as an undergrad, we had no central authority to figure.

就大学为什么需要穆斯林教士而言，当我还是纽约大学的学生时，我们没有一个核心领导。

普林斯顿公开课 - 人性课程节选

This material will be necessary to do the listening exercises for the course, which is sort of the backbone of the course.

做听力练习时我们必须使用这些材料,听力训练是课程的核心内容

耶鲁公开课 - 聆听音乐课程节选