Pentoses
[医]戊糖（类），五碳糖（类）
🗣️ 情景例句
Richard, these are terrific pictures. Richard
这些照片真棒。
When the lights went out, I was washing my hair.
当熄灯的时候，我在洗头。
The following year, it was taken to pieces and sent to America.
第二年，它被拆成若干小块，运到美国。