under the skin

基本解释

It's a spider's web of muscles and tendons under the skin, many of them unique to the human hand.
手掌皮膚下的肌肉和肌腱密如蜘網，其中許多肌肉和肌腱，僅僅是人手所特有的。
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Advanced gout. Untreated gout may cause deposit of urate crystals to form under the skin in nodules called tophi(TOE-fi).
未經治療的痛風會使皮膚下沉積尿酸結石從而形成結節，成爲結節瘤。
The fertilized female worm(s) (which measures from 60–100 cm long) migrates under the skin tissues until it reaches the lower limbs, forming a blister or swelling from which it eventually emerges.
受精後的雌蟲（有60-100厘米長）在皮膚組織以下遊走，一直遊到下肢，形成一個水皰或者造成腫脹，蟲子最終會鑽出來。

They are connected under the skin to another wire that leads to a small battery placed in the chest.
If you get bacteria under your skin, if you get a cut and somehow that cut gets - bacteria gets inside there, the bacteria can reproduce on their own.
如果你皮膚裡有細菌,而你又割傷了自己,竝讓細菌進入了傷口,細菌自身就可以繁殖
耶魯公開課 - 生物毉學工程探索課程節選
The electricity comes from a small power supply placed under the skin in the chest.

These fats can fill macrophages to form small to large nodules under the skin called xanthomas.
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