提示：点击例句中的单词，就可以看到词义解释

Fearful about their chances , even schoolboys worry about marriage .

男性们担心自己的机会，就连在校男生都开始担心结婚问题。

How many schoolboys or schoolgirls dream these days of making wizard machines that will change the world ?

现在有多少男生女生梦想着能制造出改变世界的神奇机器？

These are being hastily gathered by schoolboys and equally excited foreign correspondents .

这些残骸迅速被男孩子们收集起来，同样兴奋的还有外国记者。

Researchers in belgium assessed the knee angle in 521 schoolboys age 7 to 18 .

比利时的研究人员测量了521名七至18岁男学生的膝关节角度。

You know half these schoolboys are already published ?

你知道半数以上的学生已经发表了他们的论文