| 单词 | secondgeneration |
| 释义 | second-generation adjective [only before noun] 1.used to describe technology, a product, etc. that has been developed and improved since it first appeared （技术、产品等）第二代的，改进型的◆second-generation e-learning no longer just provides information, but instead forces the student to make choices and decisions. 第二代网络教学系统已经不再是仅仅提供信息，而是迫使学生作出选择和决定。 (abbreviation 2g) used to describe mobile telephone networks without wires that were the first to use digital technology 第二代的（指首次使用数字技术的第二代移动通讯网络）◆second-generation cellphones 第二代手机 |
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