| 单词 | synthetic compound |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔peptide〕Any of various natural or synthetic compounds containing two or more amino acids linked by the carboxyl group of one amino acid and the amino group of another.肽：一种自然或人工的合成物，包括二个或二个以上氨基酸，通过一个氨基酸的酸基和另一个的羧基结合而成美国传统〔pyrethroid〕Any of several synthetic compounds similar to pyrethrin, used as an insecticide.类除虫菊酯物：与除虫菊酯相似的一种合成的混合物，用于杀死昆虫的药剂美国传统 |
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