他们试图把鱼叉刺进鳐鱼体内，以防它猛摆那蜇人的尾巴报复。They tried to get the harpoon into the ray before the sting tail came lashing over to retaliate.那些船上有许多鲭鱼，还有几条鳐鱼。Boats had plenty of mackerel and a few skate.摘要目的: 研究一种软骨鱼系动物 ( 孔鳐 ) 自身血红蛋白成份的相...
A method for determination of apigenin in Marchantia polymorpha was established.建立了地钱中芹菜素含量的测定方法.Objective To explore the effect of apigenin on estrous cycle in normal adult female S - D mice.目的探索芹菜素对正常雌性大鼠性周期的影响.In the ...
Pieces of paper were skittering along the sidewalk.人行道上飞舞着一张张纸片。dog poop on the sidewalk便道上的狗屎He avoided stepping on the crack in the sidewalk.他避免踩到人行道的裂缝上....