Cerealin
谷淀粉酶
??? 情景例句
They can keep a record of all of the important dates
他們可以記錄下重要的日子。
In secondary school, children get more advanced knowledge.
中學的小孩會得到進一步的知識。
Sure! Work must come first!
當然啦！工作必須先做嘛！