Odontolite
[医] 牙垢, 牙积石
🗣️ 情景例句
I know how you feel, but there's no need to go on and on about it.
我知道你的感受，可是也没必要这样没完没了。
Cast not your pearls before swine.
明珠莫投暗。
Hubert Latham took off from the French coast in his plane the 'Antoinette IV.
休伯特。莱瑟姆驾驶“安特瓦特4号”飞机从法国海岸起飞，