| 释义 |
Definition of needle track in English: needle tracknoun 1A track made by a needle inserted into a solid culture medium, tissue, etc. 2A pigmented linear mark on the skin, especially of the forearm or back of the hand, made by repeated injection of illegal drugs into a superficial vein (usually in plural).
Origin Late 19th century; earliest use found in Philosophical Transactions of the Royal Society of London. Definition of needle track in US English: needle tracknoun 1A track made by a needle inserted into a solid culture medium, tissue, etc. 2A pigmented linear mark on the skin, especially of the forearm or back of the hand, made by repeated injection of illegal drugs into a superficial vein (usually in plural).
Origin Late 19th century; earliest use found in Philosophical Transactions of the Royal Society of London. |