英语句子

手内部的肌肉、骨骼和关节一起配合让拳头力量更大。Muscles, bones, and joints inside the hand work together to form a strong fist.

2025-07-01 103 阅读

指关节是手指中两块骨头相接形成的关节处突起。A knuckle is the bony part in your finger where two bones meet and make a joint.

2025-07-01 108 阅读

甲周皮/角质层是一层薄薄的皮肤，位于每个手指甲和脚趾甲的根部。The cuticle is a thin layer of skin found at the base of each fingernail and toenail.

2025-07-01 103 阅读

指甲是覆盖每个指尖、从甲根开始的一块坚硬甲片。The fingernail is a hard plate that covers the end of each finger, starting just above the cuticle.

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手腕是把手和手臂连在一起的关节。The wrist is the joint that connects your hand to your arm.

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虽然小指没有那么有力，但它对许多日常动作来说依然很重要。Even though the little finger is not very strong, it is important for many daily movements.

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无名指是手上的第四个手指，在中指和小指之间。The ring finger is the fourth finger on your hand, found between the middle finger and the little finger.

2025-07-01 106 阅读

许多神经分布在手掌，帮助你快速感知冷热和疼痛。Many nerves run through the palm, helping you sense hot, cold, and pain quickly.

2025-07-10 115 阅读

拇指与其他手指配合，可以写字、拉拉链、握杯子。The thumb works with the fingers for actions like writing, zippering, and holding a glass.

2025-07-01 105 阅读

食指内部的骨头既灵活又结实，让动作变得容易。The bones inside the index finger are flexible but strong, making it easy to move and grip.

2025-07-10 117 阅读

中指是从拇指开始数的第三个手指。The middle finger is the third finger on your hand, counting from the thumb.

2025-07-10 114 阅读

当你在明亮的地方时，瞳孔会变小；黑暗时，它会变大。When you are in a bright place, the pupil becomes smaller, but in the dark, it gets bigger.

2025-07-10 111 阅读

虹膜整天都在工作，帮助眼睛在强光和弱光下都能看清东西。The iris works all day to help your eyes see clearly in bright and dim light.

2025-07-01 107 阅读

睫毛自然会脱落，新睫毛会在原来的位置重新长出来。Eyelashes naturally fall out and new ones grow in their place.

2025-07-01 103 阅读

泪管是每只眼睛内侧角落里的细小通道。The tear duct is a small tube near the inside corner of each eye.

2025-07-01 105 阅读