Descaler
去鳞器, 去鳞机
🗣️ 情景例句
I was wondering if you'd like to go to a movie with me.
不知道你是否有兴趣和我一起去看电影。
To err is human.
人无完人。
Now move the hand to and fro and around but not up and down.
然后把手前后左右以及旋转摆动，但不要上下摆动。