Retainer seal
[化] 护圈密封
🧩 词语组成解析
retainer
[ri'teinə]
n. [机]承盘，挡板;家臣，侍从;[牙科]牙架;保持着;
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
Do you remember that old desk?
还记得这张旧桌子吗？
I meet the boy whose aunt is an accountant.
我遇到那个男孩的姑妈是会计。
She owes her good health to her regular life.
她把健康归功于规律的生活。