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
Now that illiteracy is not so wide spread, people everywhere are free to enjoy great literature.
现在文盲不是很普遍，世界各地的人都可以很自由地欣赏文学作品。
What's goes on here?
什么事？
Alfred the Great acted his own spy,
阿尔弗雷德大帝曾亲自充当间谍。