Levulinic
乙酰丙
🗣️ 情景例句
It's time I was off.
我该走了。
The only feasting I do these days is in my dream.
这几天我只能在梦中享受山珍海味了。
'I don't think the windows need cleaning at this time of the night.
“我看不必在夜里这个时候擦窗子吧。