chlorine

/ˈklɔːriːn/ (bre, ipa) · /ˈklɔːriːn/ (ame, ipa) · /ˈklȯr-ˌēn -ən/ (ame, mw)

chlorine — noun

1. a yellow-green gas with a sharp smell, often put into swimming pools and drinkin

1.名詞B2
釋義

a yellow-green gas with a sharp smell, often put into swimming pools and drinking water to stop germs from growing in it.

例句

Hoa could smell chlorine the moment she walked into the swimming pool building.

smell chlorine — typical sensory collocation

The city adds a small amount of chlorine to the tap water to kill bacteria.

add chlorine to + water — purification context

同義詞
  • bleach

    household liquid that contains chlorine; not the element itself

用法筆記

Uncountable; never *a chlorine* or *chlorines*. Often used as a modifier in fixed compounds (chlorine gas, chlorine bleach, chlorine level).

常見錯誤

❌The pool has too many chlorines.
✅The pool has too much chlorine.
💡chlorine is uncountable, like water or oxygen.
❌She put a chlorine in the bucket.
✅She put some chlorine in the bucket.
💡no article *a*; use *some* or a measure word.