Pectolase
[化] 果胶酶
🗣️ 情景例句
He reads the headlines, news sections, amusemenu section, sports pages, editorials, and the business section.
他读头条、新闻版、娱乐版、体育版、社会和经济版。
I couldn't get through.
我打不通。
There was also a great deal of machinery on display.
参展的还有很多机器，