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
I consider him my best friend.
我将他视为我最好的朋友。
Better to do well than to say well.
说得好不如做得好。
I must go to the greengrocer's.We haven't got many tomatoes,but we've got a lot of potatoes.
我还得到蔬菜水果店去一下。我们番茄不多了，但土豆还有不少。