Black's crown
[医] 布莱克氏冠(前牙的瓷冠,借螺钉固定于根管中)
🧩 词语组成解析
crown
[kraʊn]
n. 王冠;花冠（有时象征胜利）;王权;（某物的）顶部;
vt. （尤指通过增添成就、成功等）使圆满;为…加冕;使圆满完成;给…以荣誉;
vi. 露顶;
🗣️ 情景例句
As far as I am concerned, I cannot object to your marriage.
就我个人而言，我不反对你们的婚事。
I have to go now.
我必须走了
I like spring and summer.The days are long and the night are short.The sun rises early and sets late.
我最喜欢春季和夏季。因为此时白天长而夜晚短，太阳升得早而落得迟。