1. An early type of photograph made by imaging a negative on glass backed by a dark surface. 
   玻璃干版照相把底片放在有黑色背面的玻璃板上成像的早期照片
2. Any of various gram-negative, rod-shaped, often pathogenic bacteria of the genus Streptobacillus, occurring in chains, especially S. moniliformis, which causes a type of rat-bite fever. 
   链杆菌一种革兰氏阴性的杆状，经常为单性生殖细菌链杆菌属，呈链形，尤指引起一种鼠咬热的念珠形链杆菌
3. type genus of Bacteroidaceae; genus of gram-negative rodlike anaerobic bacteria producing no endospores and no pigment and living in the gut of man and animals. 
   拟杆菌科的模式属；革兰氏阴性厌氧细菌杆型细菌，特性是不产生孢子内壁和色素且生活在人和动物的内脏中。
4. A photomechanically produced plate for pictures or type made by exposing a gelatin film under a negative, hardening it with chrome alum, and printing directly from it. 
   珂罗版印刷法一种通过照相制版工艺制造出来的用于印刷图片或文字的图版，将一层胶制剂薄片置于底片之下，用硫酸铬钾使之坚硬，然后便可直接印刷
5. A type of penicillin that is effective against gram-negative and gram-positive bacteria. It is used in treating gonorrhea and infections of the intestinal, urinary, and respiratory tracts. 
   安匹西林一种青霉素，抗革兰氏阴性、革兰氏阳性细菌有效，用于治疗淋病以及肠道、泌尿道和呼吸道的感染

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