VD
性病, 花柳病
词形变化
VDs
复数
VDs
别名
V. D.
V.D.
释义与例句
n.
-
1.
The design diving speed of an aircraft; the highest speed which the aircraft is planned to reach during flight testing. Always higher than VNE (the speed that must not be exceeded in service).
可数 不可数 航空 商务 工程 -
2.
Initialism of venereal disease.
可数 过时 不可数 医学