- 孔隙面積
- efficient: adj. 1.有效的,有力的;效率高的。 2.有實(shí)力的; ...
- ligament: n. (pl. ligaments, ligamenta ...
- between: between three and four ...
- opening: n. 1. 開(kāi),開(kāi)放;開(kāi)始,著手;開(kāi)端,開(kāi)頭;開(kāi)場(chǎng),開(kāi)幕 ...
- openings: 走向世界
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