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
She owes her good health to her regular life.
她把健康归功于规律的生活。
I'm the youngest.
我最年轻
This was later confirmed by naval official at the Ministry of Defiance after the Elkor had returned home.
这一说法在“埃尔科”号返航后得到的国防部一位海军官员的证实。