Sprue button
[机] 竖浇道棒定位销
🧩 词语组成解析
n. 浇口, 熔渣, 口炎性腹泻\\n[化] 浇口; 铸口; 流道
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['bʌtn]
n. 按钮，电钮;纽扣，扣子;扣状物;[植]芽;
vt. 用纽扣扣紧;用纽扣装饰，钉钮扣于;在…上装钮扣;
vi. 扣住;装有钮扣;扣上钮扣;
🗣️ 情景例句
She complained, with reason, that she had been underpaid.
她抱怨她的工资一直很低，这也不无道理。
He has lived here for a year.
他在这里住了一年了。[表示持续到现在的行为]
Her eyes were fixed on her plate and in a short time, she was busy eating.
她的眼睛盯着自己的盘子，不一会儿就忙着吃起来了。