Smith's disease
[医] 史密斯氏病, 粘液性结肠炎
🧩 词语组成解析
🗣️ 情景例句
For example, did you know that 1 in 4 teenagers has tried marijuana?
比如，你是否知道4个青少年中就有1位曾经吸过大麻？
We should promote world peace.
我们应该促进世界和平。
It's six o'clock.
六点钟了。