Oxamide
草酰胺, 乙二酰二胺
🗣️ 情景例句
Always remember to wash your hands before eating.
用餐前谨记要洗手。
Business may be troublesome, but idleness is pernicious.
事业虽扰烦，懒惰更害人。
It is a world of red sandy deserts (hence its name----the Red Planet),
红色行星），