用: 40分钟跑完全程 run the course in 4 ...过: cross; pass的: 4次方是 The fourth power of 2 i ...空气: air; atmosphere滤过的空气: filtered air加工过的空气: processed air使用过的空货运货柜箱: used empty freight container用过的: outspent; second hand; secondhand; waste; we have a used computer for sale水和空气可以通过的空隙: small spaces through which water and air may pass从未用过的: unused废的；用过的: outspent废水；用过的水: tail water废酸 用过的酸: spentacid刚使用过的: least recently used; leastrecentlyused未用过的: unused; virgin未用过的水: unused water未用过的油: unused oil用过的靶条: fired target用过的级: expended stage用过的口令: passwords used用过的球: used ball用过的燃料: spent fuel用过的热: used beat; used heat; usedbeat用过的溶剂: spent solvent用过的石灰: used lime
