An incinerator is a machine — often a whole building with a tall chimney — built to burn things until they are gone. The point is not to cook or to keep a room warm. The point is to destroy.

An incinerator is a machineincinerator是一種機器 — often a whole building with a tall chimney ———常常整棟建築物，還有一根高高的煙囪—— built to burn things until they are gone專門用來把東西燒到不見 The point is not to cook or to keep a room warm重點不是拿來煮東西，也不是拿來讓房間變暖 The point is to destroy重點是要銷毀東西

Cities use big ones for household rubbish; hospitals use smaller, hotter ones for things that must not be thrown out with ordinary waste, like used dressings. The fire inside is far hotter than a kitchen stove, and the smoke is meant to be cleaned before it leaves.

Cities use big ones for household rubbish城市會用大型的來燒家庭垃圾 hospitals use smaller, hotter ones醫院則用比較小、溫度更高的 for things that must not be thrown out with ordinary waste, like used dressings用來燒不能跟一般垃圾一起丟的東西，像用過的紗布 The fire inside is far hotter than a kitchen stove裡面的火比廚房爐子熱得多 and the smoke is meant to be cleaned before it leaves排放出去之前，煙也應該要先被淨化過

People also say “the incinerator” for the plant that does this work, not only the metal box itself.

People also say "the incinerator" for the plant that does this work大家也會用『the incinerator』來指做這件事的整座廠 not only the metal box itself不是只指那個鐵製的機身 It is a technical word這是個專業用語

It is a technical word. In everyday talk someone might just say they are going to “burn the rubbish,” but an incinerator is the special machine for doing that job safely and on purpose.

In everyday talk someone might just say they are going to "burn the rubbish,"日常講話可能只會說要去『burn the rubbish（燒垃圾）』 but an incinerator is the special machine for doing that job safely and on purpose但incinerator指的是專門、安全、有計畫地做這件事的那台機器