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 what?
又怎么了？
Happy is he who knows his follies in his youth.
记得青年时所做的愚笨事的人是幸福的。
He knew it would not prove difficult in such a small village.
他知道在这样一个小村庄里抓住小偷并不困难。