A trial lecture, of course, I'd prepared, but I found the blackboard was different from the one we usually saw in our classroom, and the platform?

试讲，当然，我有准备，但是我发觉这个黑板和我们教室里经常看到的不一样，还有这个讲台？

youdao

A trial lecture, of course, I'd prepared, but I found the blackboard was different from the one we usually saw in our classroom, and the platform?

试讲，当然，我有准备，但是我发觉这个黑板和我们教室里经常看到的不一样，还有这个讲台？

youdao