Polygalacturonase
多聚半乳糖醛酸酶
🗣️ 情景例句
I find that hard to swallow.
对这一点我难一相信。
I'm taking Chinese and History.
我将选中文和历史。
A 55-storey building went up in 1913, and in 1931 the Empire State Building was completed, then the tallest building in the world.
1913年一座55层高的大楼拔地而起。1931年帝国大厦竣工，这在当时是世界上最高的大厦。