Mastics
(mastic 的复数) n. 乳香脂, 乳香, 胶合铺料\\n[化] 乳香; 玛┩脂; (抹墙用)厚浆涂料
🗣️ 情景例句
What does NATO stand for?
NATO代表什么？
You get what you pay for.
便宜没好货。
They also have the disadvantage of being an expensive form of transport.
飞机另一个缺点是昂贵。