Alloxanthin
[化] 双阿脲; 双四氧嘧啶
🗣️ 情景例句
you used to be in the construction business.
你过去在建筑界工作。
One false step will make a great difference.
失之毫厘，谬以千里。
When she reached home, her mother asked:Have you got everything?
“你东西买齐了吗？”