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会员注册今日单词：
| 单词 | 中文释义 | 英文释义 | 例句 |
| diesel | 强力的（形容词，当代俚语） | (adjective, CONTEMPORARY SLANG) Very strong; hard to beat; more powerful than any competitor (NOTE: often used as a description in American sports) | EXAMPLE: With so many diesel players on our team this year we know we're going to win our league's basketball championship. 今年，我们队里有了这么多强力球员，我们会赢得联盟棒球冠军的。 |
今日短语：
| 短语 | 中文释义 | 英文释义 | 例句 |
| random sample | 随机样品（研究术语） | (RESEARCH) A careful, limited selection from a larger group that is made in such as way as to insure each individual item has an equal probability of being selected, and therefore the selection accurately represents the whole | EXAMPLE: As part of an effort to measure product quality, our research director tested a random sample of every tenth product our company manufactured during each different hour of factory operation. 作为评估产品质量的工作之一，我们的研究主管在工厂开工时的每个小时都抽取这一时段公司生产的第十件产品作为随机样品来检测。 |