Bobbin seal
[化] 套管密封
🧩 词语组成解析
bobbin
[['bobin]]
n. 线轴, 缠线板, 缠线管\\n[电] 卷线轴
seal
[sil]
n. 密封;印章;海豹;封条;
v. 密封;盖章;决定;封上（信封）;
🗣️ 情景例句
And so is Max.
也是Max的幸运。
No, I can't go to bed till she says Good night to me.
不，除非她向我道晚安，不然我睡不着。
I know! smiled Lucy. They have steps, and they begin with L!
“我知道！”露茜笑着说，“它们有阶梯，并且这个单词是以L开头的！”