Oxamide
草酰胺, 乙二酰二胺
🗣️ 情景例句
Michelle, can I help you with the lemonade?
Michelle，我帮你倒点柠檬汁好吗？
Do you fly to Dallas on Sunday?
星期日你们有班机去达拉斯吗？
These attracted many visitors, for they were not only of great architectural interest, but contained a large number of beautifully preserved frescoes as well.
这些教堂吸引大量游客，不仅是因为建筑风格奇特，而且还有大量保存完好的壁画。