In one of the woodworking classrooms, where a group of older boys were making benches under a teacher's supervision, they clustered around us, eyeing me curiously.

在一间木工作业教室里，有群年纪较大的孩子在老师监督下制作板凳，他们围在我们四周，好奇地盯着我看。

Now, you don't have to take an AP course to take the AP exam, but it is helpful to have that entire year to prepare for the exam under a teacher's supervision, or guidance.

现在， 你不必参加 AP 课程就可以参加 AP 考试，但是在老师的监督或指导下用整整一年的时间来准备考试是有帮助的。