Levulinic
乙酰丙
🗣️ 情景例句
Yeah. Thanks.
凑数的， 谢谢你。
Slowly, stricter laws and regulations are being passed by Congress.
慢慢地，在国会表决通过了更严厉的法律法规。
She threw the bottle into the sea.
又将瓶子扔进了大海。