Ambulacrum
n. [动]步带
🗣️ 情景例句
First, we have to catch some fish.
首先 ，我们得钓几条鱼。
This product is doing very well in foreign countries.
这种产品在国外很畅销。
From these he can go on to appreciate more complex forms or combinations of several forms.
从这些形体出发，观赏者可进一步观察更为复杂的形体或若干形体的组合。