Maam
abbr. 异丁烯酰胺（methacrylamide）
🗣️ 情景例句
It's nothing.
没什么。
Cheerfulness and goodwill make labour light.
欢快与好意，劳动不觉累。
Many pedal their tricycles, but most of them prefer to push or drag them.
很多孩子用脚蹬车，但多数孩子更愿意推或是拉着三轮车。