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inroad

n. 侵袭，袭击；减少

中文词源

inroad 进展

in-,进入，使，road,古义，骑马，侵袭，词源同ride,raid.其原义为恶意入侵，侵扰，后词义褒义化指进展。

inroad (n.): 1540s, "hostile incursion, raid, foray," from in- (2) "in;" second element is road in the obsolete sense of "riding;" related to raid. Related: Inroads.

1. This deal is their first major inroad into the American market.: 这交易是他们进军美国市场的首次重大收获。