- 步行: go on foot; walk
- 换气: take a breath; aeration chan ...
- 步行换气量与最大呼吸量之比: wv-mbc
- 换气: 1.(屏气后再次呼吸) take a breath (in swimming); aeration2.(通风) change of air◇换气风扇 scavenger fan; 换气口 scavenge port; 换气装置 air interchanger
- 步行: go on foot; walk◇步行锻炼法 deambulation; 步行机 pedipulator; walking machine; walkie-talkie; 步行困难 dysbasia; 步行恐怖 basiphobia; basophobia; 步行小道 footway; 步行者 footer; foot passenger
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