下面的部分(20)具有一个前侧的侧面(21)、一个背侧的侧面(22)、两个侧向的侧面(23、24)、一个下面的对合表面(25)和一个上面的表面(26);
The lower part (20) comprises a ventral side surface (21), a dorsal side surface (22), two lateral side surfaces (23, 24), a lower apposition surface (25) and an upper surface (26).
这颗卫星又细又长,长度大约在90英里(约合144公里)左右,其表面并不平坦,布满陨坑。
Long and thin, this moon measures about 90 feet in length, and its uneven surface is rife with craters.
合胞体蛋白开始作为一种逆转录病毒表面蛋白,帮助病毒和细胞融合。
Syncytin started as a surface protein on retroviruses that fused them to cells.
应用推荐