long class

• 长类

long class的用法和样例：

例句

1. Laughter may even have evolved long before primates.
   笑甚至可能在灵长类出现很久以前就已经演化形成。
2. Chinchilla is a kind of lemur about the size of a squirrel with a long round of the primates with big eyes.
   灰鼠狐猴是一种大小跟松鼠差不多，长着圆圆大眼睛的灵长类动物。