Stepped sprue
[机] 分级进模口
🧩 词语组成解析
v. 踏；行走（step的过去式和过去分词）
n. 浇口, 熔渣, 口炎性腹泻\\n[化] 浇口; 铸口; 流道
🗣️ 情景例句
I'm ... very proud of you.
我很……以你为荣。
Let the hands get busy, not the mouth.
手要勤劳，嘴莫多说。
One of these men was found and he began to tell the story of this family group.
哈利在这些人中找到了一位，他开始谈起了这个家族的历史。