Pectosinase
[医] 果胶糖酶
🗣️ 情景例句
before the guests arrive.
在客人到达之前。
New year's Eve comes one week after Christmas.
新年夜在圣诞节的一周后到来。
Lined up against the wall, there were long thin wires attached to metal spheres.
靠墙排列着许多细长的电线，而电线又连着金属球。