We just sat there giggling like naughty schoolchildren.

我们就坐在那儿像调皮的中小学生一样咯咯傻笑

His facial contortions amused the audience of schoolchildren.

他扮鬼脸逗得小学生观众都笑起来了。

Last year I had an audience of schoolchildren and they laughed at everything.

去年我有一群小学生听众，他们听到什么都哈哈大笑。

27 schoolchildren were injured in the blast.

27名学龄儿童在爆炸中受了伤。

1797 Greenlandic schoolchildren were tested for MTI with an interferon gamma release assay (IGRA).

对1797名格陵兰学龄儿童进行干扰素释放试验（IGRA），确定其是否存在结核杆菌感染。

The schoolchildren and students remain restless.

儿童和大中学生仍然骚动不安。