Nine-year-old Kate Middleton shows her true colors - and a toothy grin - in a photo taken at prep school around 1991.
9岁的凯特·米德尔顿本色出镜——一个露齿的微笑——这张照片摄于1991年左右她就读小学的时候。
Happy camper: A sulfur miner relaxes with a surprisingly toothy smile at a base camp called Camp Sulfatara on May 24.
快乐的矿工：一名硫磺矿工正在一个名为sulfatara的营地休息，镜头里他咧着嘴开心的笑着（图片摄于5月24日）。
Using a motion-capture system, the robot, called Geminoid TMF, can move its rubber face to imitate a smile, a toothy grin, and a grim look with furrowed brows.
这款名为GeminoidTMF的机器人利用一个动作捕捉系统，使她的橡胶制成的脸庞可以动起来，从而模仿出微笑、露齿笑和皱眉头的严峻表情。
Biologists from Macquarie University in Sydney insist that grey nurse sharks, while terrifyingly toothy in appearance, are mild creatures which will bite humans only if provoked.
不过，科学家们认为，尽管沙锥齿鲨锋牙利齿的外表很吓人，但它们实际上是性情温和的动物，只有被激怒时才会咬人。
A wary tiger flashes a toothy snarl in this extreme close-up.
一只机警的老虎在这个特写镜头里呲牙咆哮。
To this day, I can count the number of times I saw a toothy smile on her almost daunting face.
直到今天，我仍然说得出，在她那有些令人害怕的脸上一共露出过几次笑容。
This animal USES its toothy "saw" to sense buried crustaceans or bottom-dwelling fish, and to stun and kill them.
这种生物用它的齿状“锯子”来感知，打昏，杀死隐藏的甲壳类动物和住在海底的鱼类。
This animal USES its toothy "saw" to sense buried crustaceans or bottom-dwelling fish, and to stun and kill them.
这种生物用它的齿状“锯子”来感知，打昏，杀死隐藏的甲壳类动物和住在海底的鱼类。
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