您要查找的是不是：
- 精于蛋白SP22sperm protein SP22
- 人精子蛋白SP22human sperm protein SP22
- 吉姆精于摔跤而不善于拳击。他自断退路，让鲍勃选择他们打斗方式。Jim was a good wrestler but a poor boxer. He burned his boats by letting Bob choose how they would fight.
- 溶菌酶一种自然存在于蛋白、人的眼泪、唾液或其它体液之中的酶，能够毁坏某些细菌的细胞壁，从而可以用作温和的抗菌剂An enzyme occurring naturally in egg white, human tears, saliva, and other body fluids, capable of destroying the cell walls of certain bacteria and thereby acting as a mild antiseptic.
- 他精于品味。He has a refined palate.
- 精于;擅于Be skilled in; be proficient in
- 史密斯太太精于园艺,她的花园很漂亮。Mrs. Smith has a green thumb. Her garden is beautiful.
- 精于兵法的将军a general of great tactical skill
- 精于给具有野性的马上鞍的人。a horseman skilled at breaking wild horses to the saddle.
- 精于辩论术skilled at forensic reading.
- 他精于雕刻。He is skilled in sculpture.
- 她精于绘画。She paints well.
- 他精于此道，因而政治家和政客们也常就自己的公众形象问题向他请教。He knows it so well that he is often consulted by statesmen and politicians concerned with their public image.
- 彼得精于绘画。Peter is skillful in painting picture.
- 精于此道be proficient in the knowledge of
- 这女孩手巧，精于编织。The girl has a light hand for knitting.
- 精于武术be refined salt
- 精于伪装的人a master of disguise
- 淫精于脉transporting essential substances to vessel
- 精于计算be good at scheme
