Biserrate
[植]重锯齿的
🗣️ 情景例句
Stay right where you are.
站住别动！
It was a terrible experience.
那是一次可怕的经历。
When it has been decided where we are going to drill, we put up at the surface an oil derrick.
当确定钻孔地点后，我们就在那里竖起一个井架。