求偿的英文：
claim; request

claim是什么意思：
v. （提出）要求；声称；断言；需要；索取；认领
n. 要求；索赔；值得；声称；断言

advance (=put forward) a claim
提出要求

His claim to ownership is invalid.
他的所有权是无效的。

They will enter a claim for this accident.
他们将对这次事故提出索赔。

They claimed that the new law was not constitutional.
他们声称这项新法律不符合宪法。

They always claim they are a land of equality.
他们总是生成自己是自由的国度。

request是什么意思：
v. 要求，请求；请求给予
n. 要求，请求，需要，需求，申请书

function requester
功能请求者

The medicine is requested to pestle into powder.
这种药要研成粉末服用。

These goods are in great request.
这些货物极为需要。

To hand in a card requesting for an interview.
递片求见 。

Full details will be sent on request.
有详细材料备索。