longadj.长的；冗长的；久的；长音的adv.长期地；久地；用于名词后强调某事发生在某整段时间v.渴望n.长时间；长音节；囤积商品者Longelo朗盖洛

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。