Dmf.
[医] 恒牙龋总数(率)
🗣️ 情景例句
Do you hike or fish on your trips?
旅游时，你会步行或钓鱼吗？
It seems he's weak.
看起来他好像很虚弱。
At that time, however, she was not only the largest ship that had ever been built, but was regarded as unsinkable,
当时，这艘轮船不仅是造船史上建造的最大的一艘船，而且也被认为是不会沉没的。