| 单词 | train staff |
| 释义 | Definition of train staff in English:train staffnoun
OriginMid 19th century; earliest use found in The Civil Engineer and Architect's Journal. From train + staff. Definition of train staff in US English:train staffnoun
OriginMid 19th century; earliest use found in The Civil Engineer and Architect's Journal. From train + staff. |
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