mastic
n[U]
1 gum or resin from the bark of certain trees, used in making varnish 乳香树脂.
2 type of pliable cement used for waterproofing joints in window-frames, roofs, etc 胶合铺料, 胶粘水泥(作窗框、 屋顶等填缝防水用的).
🏥 医学释义
膏,胶,树脂
🗣️ 情景例句
I can't face him after what I've done.
从那以后我无颜面对他。
At night, all cats are grey.
猫在夜晚皆灰色(丑妍暗中难分辨)。
Since its discovery, it has become a sort of potholers' Everest.