The phosphate was deposited by the decay of marine microorganisms.海洋微生物腐烂后沉积形成磷酸盐。Bezanik is diving to collect marine organisms.贝扎尼奇正在潜水采集海洋生物。the richness and variety of marine life海洋生物的丰富多样...
Plankton is at the bottom of the marine food chain.浮游生物处于海洋食物链的最底层.marine planktonic diatom海洋浮游硅藻marine biota海洋生物区marine fauna水产动物Bezanik is diving to collect marine organisms.贝扎尼奇正在潜水采集海洋生物。marine and freshwater eukaryo...
Kenny caught his breath as Nikko nearly dropped the bottle.尼科差点儿把瓶子摔了，这让肯尼倒吸了一口气。Kenny, struggling with too many chairs, moved crabwise towards the door.肯尼在许多椅子中间艰难穿行，像螃蟹一样横着向门口挪去。Kenny had been pressed into service to g...
蜗牛在地上运动时在后面留下黏液的痕迹.A snail leaves a trail of slime behind it on the ground.在 大肠 内侧有一层黏液的东西.There is a layer of slime , called mucus, on the inside of the large intestine ( colon ) .我把浸透黏液的上衣接过来,扑通一声扔到地上.Wellhung: I'...