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
The wind's really howling today.
今天风刮的真凶。
Are there any questions?
还有什么问题吗？
They're in red and white.
他们穿着红白相间的衣服。