| 单词 | blood-vein |
| 释义 | Definition of blood-vein in English:blood-veinnoun
OriginEarly 19th century; earliest use found in John Rennie (1761–1821), engineer. Definition of blood-vein in US English:blood-veinnoun
OriginEarly 19th century; earliest use found in John Rennie (1761–1821), engineer. |
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