Relative velocity
[化] 相对速度
🧩 词语组成解析
relative
['rɛlətɪv]
adj. 相关的;相对的;相互有关的;比较而言的;
n. 亲属，亲戚;相关物;亲缘植物（或动物）;[语法学]关系词;
relat=relate联系+ive名词后缀，表人 →亲戚
🗣️ 情景例句
I went back for it, but the ferry was gone.
等我回去找的时候 船已经开走了。
An honest man's word is as good as his bond.
诚实人的话像他的契约一样靠得住。
Until we are intelligent as to its laws and varieties,
直到我们理解了风俗的规律性和多样性，