How many teeth did the dentist take out?
牙科医生拔了几颗牙？
How many teeth have you had filled in the past two years?
在过去的两年里你补了多少颗牙？
Doctor, to be more specific, how many teeth will you pull out?
医生呀，具体来说到底你要拔掉我几颗牙呢？
"Jack:"Put them in the horse's mouth to see how many teeth he had.
杰克：“他把手放在马的嘴里想想看看马有多少颗牙。”
ScienceDaily (Sep. 6, 2009) - it's been a mystery: how can our teeth withstand such an enormous amount of pressure, over many years, when tooth enamel is only about as strong as glass?
科学日报(2009年9月6日)——当牙齿上的牙釉质大约只有玻璃般强硬时，我们的牙齿这么多年来是怎样经受住一个如此巨大的压力的？
How many of your teeth are not in good shape?
你有多少颗不整齐的牙齿？
How many of your teeth are not in good shape?
你有多少颗不整齐的牙齿？
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