box structures
英
美
- box n.盒子；箱子；包厢；专席；电视机n.一拳；巴掌；耳光n.黄杨；黄杨木vt.把…装箱；使局限于狭小空间；挡住v.拳击；打耳光
- structures n.结构名词structure的复数形式.
- The alveoli are minute, saclike or pear-shaped structures, the walls of which consist of a single layer of epithelial cells.
腺泡为微小的囊状或豌豆形结构，泡壁为一层上皮细胞。
