Cdc
abbr. 疾病防治中心（Centers for Disease Control）；（美）市民民防团（Citizens ' Defense Corps）；控制数据公司（Control Data Corp）
🗣️ 情景例句
This dog is well trained.
这只狗受过很好的训练。
If there were no clouds, we should not enjoy the sun.
吃得苦中苦，方知甜中甜。
In answer to these questions I either nodded or made strange noises.
作为对这些问题的回答，我不是点头，就是发出奇怪的声音。