Oxamide
草酰胺, 乙二酰二胺
🗣️ 情景例句
ASPCA Animal Shelter.
ASPCA动物收容所。
One man may steal a horse while another may not look over a hedge.
只许州官放火，不许百姓点灯。
and a period (which is the time it takes a wave crest to travel one wave length).
和周期（浪峰走过一个波长所需的时间）。