seal·ant /ˈsilənt/
密封劑
seal·ant /ˈsɪlənt/ 名詞
封閉劑,密封層,封閉層
sealant
密封劑; 密封層
sealant
n : a kind of sealing material that is used to form a hard
coating on a porous surface (as a coat of paint or
varnish used to size a surface) [syn: sealer]