Pectosase
[化] 果胶糖酶
🗣️ 情景例句
How was your school-board meeting last night?
昨天晚上你们的联合校董会会议开得怎么样？
He has a cup.
他有一只杯子。
When are you going to have a holiday, Sam?
萨姆，你准备什么时候去度假？