Those in mammalian cells, the cerebrosides and gangliosides, may perform similar functions.在哺乳动物细胞中脑磷脂和神经节苷脂可能执行同样的功能.Starfish contains different types of bioactive materials, such as proteins, enzymes, steroidal glycosi...
Martina Navratilova has never been afraid to speak her mind.玛蒂娜·纳芙拉蒂洛娃从来不害怕说实话。Tennis has Martina Hingus and Pete Sampras, the darlings of the courts.网球有玛提娜?辛吉斯和彼特?桑普拉斯这两名球场宠儿.Martina Cole was born and brought up in Esse...