Cephalaspida
头甲鱼目
🗣️ 情景例句
Active Sports is getting a solid reputation for having top of the line products.
Active Sports的产品质量上乘，而且取得了很好的声誉。
To know how to wait is the great secret of success.
懂得如何等待是成功的秘诀。
Why does aperson standing in a bus or train tend to fall when a sudden start is made?
一个人站在公共汽车或火车上，当车突然开动时，他为什么会倾倒呢？