ventilator
[ˈventɪleɪtə(r)]
n.人工呼吸器；通風設備
A ventilator is a machine that helps people breathe when they cannot breathe naturally, for example because they are very ill or have been seriously injured.
A ventilator is a device that lets fresh air into a room or building and lets old or dirty air out.
EXAMPLES
1. He was put on a ventilator.
給他戴上了呼吸器。
2. Once the ventilator shaft became blocked, the warehouse quickly filled with fumes.
通風管一旦堵塞, 倉庫很快就充滿了煙霧。
昨天的每日一詞
provided
[prəˈvaɪdɪd]
conj.如果；假如；只要
If you say that something will happen provided or provided that something else happens, you mean that the first thing will happen only if the second thing also happens.
EXAMPLES
1. We'll buy everything you produce, provided of course the price is right.
當然了，倘若價格合適，我們將採購你們的全部產品。
2. Provided that you have the money in your account, you can withdraw up to £100 a day.
只要帳戶存款足夠，每天可提取不超過100英鎊。