n.切牙,门齿
incisor的复数

原形：incisor复数：incisors

The incisors are the front teeth in your mouth, used for cutting food.
释义：门牙是口腔中的前牙，用于切割食物。
The dentist noticed some staining on my incisors and recommended a cleaning.
释义：牙医注意到我的门牙有些污渍，建议进行清洁。
Children usually lose their baby incisors around the age of six or seven.
释义：儿童通常在六岁或七岁时会换掉乳牙的门牙。
The patient's incisors were perfectly aligned after wearing braces for two years.
释义：经过两年的矫正治疗后，病人的门牙排列得非常整齐。
Incisor teeth are characterized by their flat edge, suitable for biting into food.
释义：门牙的特点是它们平直的边缘，适合咬进食物。
The dog bared its sharp incisors as a warning to the approaching stranger.
释义：狗露出锋利的门牙，作为对靠近的陌生人的警告。
My child accidentally chipped his front incisor while playing football.
释义：我的孩子在踢足球时不小心磕坏了前面的门牙。
In mammals, incisors are usually followed by canines in the dental formula.
释义：在哺乳动物中，门牙后面通常跟着犬齿，这是牙齿排列的规律。
The orthodontist suggested filing down slightly misaligned incisors for a better smile.
释义：正畸医生建议轻微磨改不齐的门牙，以获得更美观的笑容。
The rabbit's incisors never stop growing, which is why they constantly gnaw to keep them worn down.
释义：兔子的门牙永远不会停止生长，这就是为什么它们需要不断啃咬东西来磨损门牙。