guanidyl

例句：

1. 1. The amino acid guanidyl is essential for the growth of bacteria.
   甘氨酸是细菌生长所必需的氨基酸。
2. 2. Guanidyl is a key component in the production of antibiotics.
   甘氨酸是生产抗生素的关键成分。
3. 3. Guanidyl can be used as a flavoring agent in food and beverages.
   甘氨酸可以作为食品和饮料的调味剂。