Heteropolysaccharidase
杂多糖酶
🗣️ 情景例句
How do you rate it?
你给它的评价是什么？
After forty years teaching English he thinks it's time to call it a day.
他教英语四十年，认为该退休了。
but since the porter agreed with him,
但既然看门人也同意他的意见，