Odorless is the American spelling of odourless: having no smell. A thing that is odorless gives your nose nothing to work with.

Odorless is the American spelling of odourlessOdorless是odourless的美式拼法 having no smell意思是沒有氣味 A thing that is odorless gives your nose nothing to work with一個odorless的東西，會讓你的鼻子完全聞不到什麼

In daily life that can be a selling point — odorless paint, an odorless cream — because nobody wants the product to leave a smell in the room.

In daily life that can be a selling point在日常生活裡，這可以是一種賣點 odorless paint, an odorless cream像odorless paint（無味油漆）、odorless cream（無味乳霜） because nobody wants the product to leave a smell in the room因為沒有人希望產品在房間裡留下味道

In science and safety talk it can be a warning. Some gases are odorless, which means you cannot smell them coming, so you may not know they are there. Though actually, gas companies often add a smell on purpose so a leak is easier to notice; the gas in its natural state may be odorless, but the gas in your pipes usually is not.

In science and safety talk it can be a warning在科學和安全的語境裡，這可以是一種警告 Some gases are odorless有些氣體是odorless的 which means you cannot smell them coming代表你聞不到它靠近 so you may not know they are there所以你可能根本不知道它在那裡 Though actually不過其實 gas companies often add a smell on purpose so a leak is easier to notice瓦斯公司常常故意加入氣味，好讓外洩比較容易被發現 the gas in its natural state may be odorless瓦斯原本的狀態可能是odorless的 but the gas in your pipes usually is not但你家管線裡的瓦斯通常不是

British English writes odourless and means the same thing. It is a plain, slightly technical adjective, not slang.

British English writes odourless and means the same thing英式英文寫作odourless，意思一樣 It is a plain, slightly technical adjective, not slang這是一個平實、帶點技術性的形容詞，不是俚語