The Brownian movement of pollens also shows the fractal characteristics.花粉的布朗运动轨迹也具有分形特征.E 2 and E 5 sets mainly produced stainable abortive pollens ( SAP ), whereas E 3 set mainly did empty abortive pollens ( EAP ).E2和E...
Peter drove jerkily, cornering too fast and fumbling the gears.彼得转弯太急，换挡不利索，车开得一颠一颠的。Using his stick heavily, he moved jerkily towards the car.他费力地拄着拐杖，一瘸一拐地着向汽车走去。He began walking jerkily up and down, evidently unable t...