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
I made a lunch date with him and his daughter weeks ago.
几星期前我约好和他以及他女儿共进午餐。
I don't think that's at all funny.
我觉得那件事一点也不好笑。
The lawyer was brief and to the point.
律师简明扼要地说道。