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
Harry's a professional camper, Mom.
Harry是露营专家，妈妈。
One cannot put back the clock.
光阴一去不复返。
Look, Liz!Here's another report about Karen Marsh.
看啊，莉兹！这又有一篇关于卡伦。马会的报道。