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
Something old.
旧的东西。
Every man is the son of his own works.
种瓜得瓜，种豆得豆。
The sea journey lasted over sixty days and nights.
海上航行持续了60多个昼夜。