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- The male sperm fertilizes the female egg. 雄性的精子使雌性的卵子受精。
- A display device that uses a cathode ray tube. 一种使用阴极射线管的显示装置。
- He held the test tube in his hand thoughtfully. 他沉思地把试管拿在手里。
- I must buy a tube of toothpaste. 我必须买一支牙膏。
- This tube is flexible but tough. 这管子柔软但很坚固。
- A glass tube for enclosing the flame of a lamp. 玻璃灯罩围住灯的火焰的玻璃管
- Apply solution to the tube and allow to become tacky. 在内胎上涂抹胶水并让它发粘。
- This is the largest sperm whale in the world. 这是世界上最大的一头巨头鲸。
- The tube was sealed off by fusing the material together. 管子以熔合管端的方法封闭起来了。
- He slipped the telescope into a steel tube. 他将望远镜收进一根钢管内。
- The tube is sealed at both ends. 这管子两端是密封的。
- Only one sperm fertilizes an egg. 只有一个精子使卵子受精。
- The transmitter was pulsed by an electron tube. 电子管使发射器产生脉冲波。
- Sperm race towards the unfertilized egg. 精虫朝未受精的卵子冲去。
- Suck on the tube to draw up the water. 用管子把水吸上来。
- Fish sperm, including the seminal fluid. 精液，鱼白鱼的鱼白，包括精液
- She bought a tube of toothpaste. 她买了一管牙膏。
- Sperm (spermatozoon:)Male reproductive cell. 精子:雄性生殖细胞。
- A tube with a very small internal diameter. 毛细管一根内径十分细小的管子
- The motivation of sperm donors varies. 捐精者的动机各不相同。
