Polygalacturonase
多聚半乳糖醛酸酶
🗣️ 情景例句
It's on the house.
这是免费的。
We can't make a decision without knowing the facts.
我们不能不知道事实，就作决定。
No matter how hard I tried, it was impossible to fill this beautiful pen with ink and to this day it has never written a single world!
然而不管我如何摆弄，那枝漂亮的钢笔就是吸不进墨水来。直到今天，那枝笔连一个字也没写过！