Levulinic
乙酰丙
🗣️ 情景例句
Where'd you spend your vacation?
你在哪儿度的假？
Pat's results are in agreement with the textbook experiment.
柏德获得的实验结果和课本一致。
We'll get used to that, Bill,' said the vicar.
“大家慢慢就习惯了，比尔，”牧师说。