| 单词 | body surface |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔body wall〕The portion of an animal body that consists of ectoderm and mesoderm, forms the external body surface, and encloses the body cavity.体壁：动物躯体的一部分，由外胚层和内胚层组成，形成围绕体腔的外部体表美国传统〔ectocommensal〕A commensal organism that lives on the outer body surface of another organism.外共生体：生活在另一种生物体外表的共生生物美国传统〔peritrichous〕Having flagella uniformly distributed over the body surface, as certain bacteria.有周毛的：身体周围有鞭毛的，如某些细菌美国传统〔petechia〕A small purplish spot on a body surface, such as the skin or a mucous membrane, caused by a minute hemorrhage and often seen in typhus.瘀斑，瘀点：身体表面略呈紫色的小斑点，如皮肤上或粘膜上的，由微小的出血引起，常见于斑疹伤寒中美国传统〔underarm〕Wash the feet, underarms and body surface using a soap.用肥皂洗洗脚、腋下及全身。柯林斯高阶 |
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