caulk

v. 填塞（隙缝）使不渗水

catnap, catnip, cats-paw, catsuit, catsup, cattily, cattiness, cattle, cattle-cake, cattle-grid, catty, catwalk, Caucasian, caucus, caught, caul, cauldron (also caldron), cauliflower, cauliflower cheese, cauliflower ear, caulk (also esp US calk), causal, causality, causation, causative, cause, causeway, caustic, caustic soda, caustically, cauterize, cauterize, cauterise, caution, cautionary, cautious, cautiously, cautiousness, cavalcade, cavalier, cavalry,