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
That's right.
你完全正确。
Many kiss the baby for the nurse's sake.
醉翁之意不在酒。
Children who play truant from school are unimaginative.
逃学的孩子们都缺乏想像力。