push-pull train 中文意思是什麼
push-pull train
解釋
動力集中式-
Other years she made an old - time train engine and a sailboat for us to push or pull with us
而其它的幾年裡,她做了個舊式的火車頭引擎和帆船給我們推著或坐上被推著來玩。
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