laughing gas
laughing gas — 名詞
1. A colourless gas (nitrous oxide, N₂O) breathed in to reduce pain during medical
笑氣
一氧化二氮，用於醫療與食品工業
A colourless gas (nitrous oxide, N₂O) breathed in to reduce pain during medical or dental treatment, and also used in the food industry as a propellant to force products such as whipped cream out of a can.
The dentist gave Minho laughing gas before filling his cavity.
牙醫在幫 Minho 補牙之前，先讓他吸入笑氣。
give + laughing gas + before [procedure]
Nkechi felt dizzy but relaxed after breathing in the laughing gas through a small mask.
Nkechi 透過一個小面罩吸入笑氣後，雖然頭有點暈，但身體放鬆了。
breathing in laughing gas through a mask
Many dental clinics keep laughing gas for patients who feel anxious about treatment.
許多牙科診所仍然備有笑氣，讓害怕看牙的病患者使用。
Dr. Chen explained that laughing gas would help Sven stay calm during the procedure.
陳醫師解釋說，笑氣能幫助 Sven 在治療過程中保持鎮定。
Ishaan said the laughing gas made his arm feel like it was floating.
Ishaan 說笑氣讓他的手臂感覺像浮了起來。
Laughing gas is stored in blue cylinders marked with a warning label.
笑氣儲存在貼有警告標籤的藍色鋼瓶中。
In the 1800s, people paid small amounts to try laughing gas at travelling shows.
在十九世紀，人們花一點錢就能在巡迴表演中嘗試吸入笑氣。
Putri read that laughing gas is sometimes used as a propellant in whipped cream cans.
Putri 讀到笑氣有時被用作鮮奶油罐中的推進氣體。
The chemistry teacher explained how laughing gas is made in a laboratory.
化學老師在課堂上解釋笑氣的製作方法。
Dr. Ryan checked the laughing gas tank in the storage room before the patients arrived.
Ryan 醫師在病人抵達之前，檢查了儲藏室裡的笑氣鋼瓶。
- nitrous oxide
the formal chemical name for the same substance; interchangeable with laughing gas in most contexts
- dinitrogen monoxide
rare; used only in very formal chemical writing
用法筆記
Frequently used in dentistry to reduce anxiety during treatment. In chemistry and food-industry contexts, the same substance (nitrous oxide) acts as a propellant in products such as whipped cream. The gas does not put patients fully to sleep — it reduces pain while they stay awake.