Heterobiotin
异生物素
🗣️ 情景例句
In ancient times the rich used jade or gold chopsticks to display their wealth.
在古代，富人家用玉或金子制成筷子以显示其家庭的富有。
The man mines coal where day seems like night.
这个人在即便是白天也犹如晚上的地方开采煤炭。
Can you try to get them to bring down the price?
你能让他们降点价吗？