track marks
短语词形变化
only
复数
track mark
释义与例句
n.
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1.
The conspicuous signs of artery and vein damage as a result of chronic intravenous injection of drugs.
仅复数 医学When a patient has copious track marks demonstrating severe circulatory system damage, injections are done by drilling into the bone marrow and administering medicine intraosseously.