止动器,塞块

tʃɑk; tʃɒk< chock >
<<名词>>
1 (防止某物滑动的) 垫块, 楔子
2『航海』(大船甲板上用以支撑小船的) 小艇座
<<及物动词>>
1 以垫块防止 (某物) 滑动
The plane's wheels were chocked and chained down.飞机的轮子被固定及链住
2『航海』将 (小船) 放置於艇座上
<<副词>>
1 完全地
a report chock full of errors 可能是充满错误的报告
2 尽可能地
had to stand chock up against the railing 必须尽可能地倚靠栏杆站立