Adjustable retainer
[机] 可调整扣件
🧩 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;
🗣️ 情景例句
The rainy season lasted until July.
雨季一直持续到7月。
Wise care begets care.
谨慎小心会导致忧心忡忡。
How are you getting on with your English lessons?
你的英语课学得怎么样了？