Melamine, in this everyday sense, is a hard, smooth, plastic-like material used on tabletops and for light plates and bowls you can wipe clean. Furniture shops and kitchenware talk use it for that tough, shiny surface that is not real wood and not china. It is a bit technical but ordinary — the stuff of canteen trays and cheap white tables.

Melamine in this everyday senseMelamine在這個日常意思裡, is a hard, smooth, plastic-like material是一種硬、滑、像塑膠的材料, used on tabletops用在桌面上 and for light plates and bowls you can wipe clean也用來做可以擦洗的輕便盤子和碗。Furniture shops and kitchenware talk家具行和廚具用語 use it for會用這個詞來說 that tough, shiny surface那種堅固、有光澤的表面 that is not real wood and not china不是真的木頭，也不是瓷器。It is a bit technical but ordinary這個詞有點專業但很常見——the stuff of canteen trays and cheap white tables就是餐廳托盤和便宜白色桌子的那種材料。

Though actually the same English word is also the name of the chemical inside that resin, and that chemical became infamous in 2008 when it was mixed into milk powder and made children ill. The table material and the poison-in-the-news story are the same family of stuff, but they are not the same conversation: one is what is this table made of, and the other is a crime-and-safety story.

Though actually不過其實, the same English word同一個英文字 is also the name of the chemical inside that resin也是那種樹脂裡那個化學物質的名字, and that chemical而那個化學物質 when it was mixed into milk powder and made children ill因為被摻進奶粉、讓小孩生病, became infamous in 2008在2008年惡名昭彰。The table material and the poison-in-the-news story桌子材料和新聞裡毒物的故事 are the same family of stuff是同一家族的東西, but they are not the same conversation但不是同一件事: one is what is this table made of一個是在講這張桌子是用什麼做的, and the other is a crime-and-safety story另一個是講犯罪和安全的故事。

In careful English, context tells you which.

In careful English在講究的英文裡, context tells you which上下文會告訴你是指哪一個。