toss-up是什么意思，释义 -生物医药大词典

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toss-up	分享到：
n. 掷钱币, (成败各半的)相等机会
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详细解释：

以下为句子列表：英文: Both players are equally good so it's a toss-up (ie impossible to predict) who will win. 中文: 那两个运动员不相上下, 谁能取胜还很难说. 更详细... 英文: It's a toss-up between George and Carl; both candidates are good. 中文: 乔治和卡尔两位候选人都很好，让人很难选择。更详细...
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