Subcutaneous means under the skin. It is a medical word, not an everyday one — doctors and nurses use it, and you meet it printed on medicine boxes and in hospital notes.

Subcutaneous meansSubcutaneous的意思 under the skin是皮膚底下 It is a medical word, not an everyday one這是個醫療用字，不是日常用語 doctors and nurses use it醫生和護理師會用 and you meet it printed on medicine boxes and in hospital notes你也會在藥盒和病歷上看到印著這個字

A subcutaneous injection goes into the soft fatty layer just beneath the skin, not deep into a muscle and not into a blood vessel; insulin is the famous example, which is why people with diabetes learn this word early. You will also see 'subcutaneous fat' (the fat you can pinch, sitting between skin and muscle), 'subcutaneous tissue', and 'a subcutaneous lump'.

A subcutaneous injection goes into the soft fatty layer just beneath the skin皮下注射是打進皮膚下方那層柔軟的脂肪層 not deep into a muscle and not into a blood vessel不是打進深層的肌肉，也不是打進血管 insulin is the famous example胰島素就是最有名的例子 which is why people with diabetes learn this word early這也是為什麼糖尿病患者很早就會學到這個字 You will also see 'subcutaneous fat' (the fat you can pinch, sitting between skin and muscle)你也會看到'subcutaneous fat'（可以捏起來、位在皮膚和肌肉之間的脂肪） 'subcutaneous tissue''subcutaneous tissue'（皮下組織） and 'a subcutaneous lump'還有'a subcutaneous lump'（皮下的腫塊）

In speech, medical staff nearly always shorten it: they say 'sub-cut' or write 'SC' or 'subQ' on a chart. If you hear a nurse say 'give it sub-cut', that is this word.

In speech, medical staff nearly always shorten it口語上，醫護人員幾乎都會簡稱它 they say 'sub-cut' or write 'SC' or 'subQ' on a chart他們會說'sub-cut'，或在病歷表上寫'SC'或'subQ' If you hear a nurse say 'give it sub-cut'如果你聽到護理師說'give it sub-cut' that is this word講的就是這個字

It says nothing about being hidden or secret in a feelings sense — for that you want 'subconscious'. This one is purely about a physical layer of the body, and it works the same way for animals: a vet gives a cat subcutaneous fluids.

It says nothing about being hidden or secret in a feelings sense它跟情感上「隱藏、不為人知」的意思完全無關 for that you want 'subconscious'那個意思要用'subconscious' This one is purely about a physical layer of the body這個字純粹講的是身體的一層構造 and it works the same way for animals用在動物身上也一樣 a vet gives a cat subcutaneous fluids獸醫會幫貓做皮下輸液