substitutes
n.
代替者( substitute的名词复数 );
替补（运动员）;
替代物;
[语法学]代用词;
v.
代替，替换，代用( substitute的第三人称单数 );
做…的代理人，接替;
例句:
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Industry has been working at developing harmless substitutes for these gases.
该行业一直在努力开发一些可以替代这些气体的无害物质。
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Mr. Habiger said regular bologna or thick-cut ham make good substitutes.
来自WSJ
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The amount of nicotine in these nicotine substitutes can be enough to excite the heart.
这些尼古丁替代品中的烟碱含量足以刺激心脏。
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The extra players, or substitutes, wait until they are called.
额外的运动员或是预备去替换的人没被召唤时在里面等着.
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Now, a campaign to find substitutes is gaining traction.
来自WSJ
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" On the sweet tooth: "Sometimes substitutes work.
来自WSJ