| 释义 |
DEFINITIVE EXAMPLES 权威例句〔capsule〕Microbiology A mucopolysaccharide outer shell enveloping certain bacteria.【微生物学】 囊：包裹着一定细菌的黏多糖外壳美国传统〔valence electron〕An electron in an outer shell of an atom that can participate in forming chemical bonds with other atoms.价电子：参与或其他原子形成化合键的原子外层电子壳层的电子美国传统These bacteria have a tough outer shell made of intertwined sugar molecules.这些细菌有由糖分子组成的坚硬外壳。剑桥国际 |