Bicylinder
双柱面透镜
🗣️ 情景例句
and he doesn't get to use it.
却又用不上。
I think the teacher works us too hard.
我觉得教师害得我们太苦了。
Future historians will be in a unique position when they come to record the history of our own times.
未来的历史学家在写我们这一段历史的时候会别具一格。