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
Please pass the ...
请递给我……
Don't make it any worse than you can help.
尽量不要把事情弄得更糟。
He has tasted the sweets and bitters of life.
他已尝遍了人生的甜酸苦辣。