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
Doesn't it look just right on Susan? Susan
戴起来正好， 不是吗?
What is your hurry?
什么事让您这么着急呢？
Because the equipment for adding sound to films had not yet been developed.
因为给电影配音的设备还没有研制出来。