Caulk

(noun.) a waterproof filler and sealant that is used in building and repair to make watertight.

(verb.) seal with caulking; 'caulk the window'.

校对:米里亚姆

• Men in Egypt and Mesopotamia also developed a primitive type of basket-work boat, caulked with bitumen. 赫伯特·乔治·威尔斯. 世界史纲.

校对:卡特里娜