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
Workers have to work very hard to keep bread on the table.
工人得十分努力工作才能赚钱糊口。
The last drop makes the cup run over.
失之过极。
After I had given her some money, she looked into a crystal ball and said: 'A relation of yours is coming to see you.
“您的一个亲戚就要来看您了。