Tdd
abbr. 时分双工（Time Division Duplex）；测试驱动开发（Test Driven Development）；技术资料文摘（Technical Data Digest）
🗣️ 情景例句
How many people are there in your family?
您家有几口人？
One rotten apple spoils the whole barrel.
一只烂苹果烂一萝苹果。
The IBM Personal Computer was widely copied.
IBM的个人电脑被大规模地模仿。