Disc-seal tube
[电] 圆盘封口管
🧩 词语组成解析
disc
[disk]
n. 圆盘;唱片;磁盘;
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
She got a scholarship to Cambridge but dropped out a year later.
她得到了剑桥大学的奖学金，但一年后就退学了。
No, I only wrote her one letter this year.
是的，今年我才给她写过一封信。
That will be fine with us.
这价钱还可以。