面积捐助函

面的英语翻译：

face; surface; cover; directly; range; scale; side
【医】 face; facies; facio-; prosopo-; surface

积的英语翻译：

accumulate; amass; long-standing; product; store up
【医】 product

捐助的英语翻译：

chip in; come through; contribute; endow; give
【经】 donations and contributions

函的英语翻译：

case; envelop; letter