Catayst
[机] 催化剂
🗣️ 情景例句
Come in, please.
请进。
Jack grew timid when he saw the size of the shoes on the front step.
杰克看到了放在玄关的鞋子的尺寸时，甚为吃惊。
I have never been able to look at a snail since then.
从那以后，我再也不能看一眼蜗牛了。