Ratchet drive
[機] 棘輪驅動
?? 詞語組成解析
n. 棘輪, 棘爪\\n[機] 棘輪, 棘齒輪
drive
[dra?v]
v. 駕駛;開車;驅動;迫使;
n. 驅車旅行;驅動力;車道;驅動器;
??? 情景例句
It's a book of pictures.
這是一本攝影集。
What is it you don't like about winter weather?
你不喜歡冬天什么樣的天氣？
and yet get hardly any benefit or relief.
而沒有從中得到什么實益或寬慰。