head of steam
成語所屬單字head
head of steam — 慣用語
1. The pressure produced by steam in a small space; also used figuratively for mome
1.慣用語
釋義
蒸汽壓力；勢頭
The pressure produced by steam in a small space; also used figuratively for momentum.
例句
The old engine built up a good head of steam before moving.
The campaign has been building up a head of steam recently.