1. 阻挡：block letter 木板字 | block off 阻挡 | block out 封闭

2. 封堵：block of words 字组 | block off 封堵 | block oilfield 断块油田

3. 塞紧舱内)塞紧舱内塞紧：block of dock 船坞墩木 | block off 塞紧舱内)塞紧舱内塞紧 | block operation 单元运动

4. 預切：blind stitch 暗链线步,滚边线迹 | block off 预切 | block pattern 基本纸样

verb

1. obstruct access to

Synonym: blockade

2. block off the passage through

e.g. We shut off the valve

Synonym: shut offclose off

3. render unsuitable for passage

e.g. block the way
barricade the streets
stop the busy road

Synonym: barricadeblockblockadestopblock upbar