Pinladge retainer
[医] 暗钉固位体, 针形固位体
🧩 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
in almost a full week.
差不多有一整个星期了。
Full belies make empty skulls.
大腹便便，头脑空虚。
The experts were now fully convinced that the animal was a puma,
专家们如今已经完全肯定那只动物就是美洲狮，