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
This job offers me a real challenge.
这项工作对我构成真正的挑战。
One cloud is enough to eclipse all the sun.
一叶可障目。
It's a good opportunity!
好机会！