abbr. 扩充算术运算器（Extended Arithmetic Unit）；欧洲泌尿科学会（European Association of Urology）；估计年用量（Estimated Annual Usage 或者Estimated Annual Unit）
n. （法）水
英文词源
eau (n.)
French for "water," from Old French eue (12c.), from Latin aqua "water, rainwater" (see aqua-). Brought into English in combinations such as eau de vie "brandy" (1748), literally "water of life;" eau de toilette (1907). For eau de Cologne see cologne.
