Apicostome
[医] [牙]根尖造口器
🗣️ 情景例句
He's on leave now.
他现在在休假。
The water has risen over the riverbank.
洪水溢过了防堤。
As long as all was still, the pen drew a straight line,
只要一切都是静止的，笔就会划出一条直线；