当电池充电时，电子被迫从外电路的阴极流向阳极，离子则回到阳极。
During recharging, electrons are forced round the circuit in the opposite direction, and the ions, perforce, return whence they came.
在低光照强度时，向阳叶和荫敝叶的光合速率部随光照强度的增加而提高，但光照强度超过一定值时，光合速率下降，即发生光抑制。
At low light intensity, the photosynthetic rate of both the shade and unshadeleaves rose with the increase of light intensity until certain limit when the photosynthetic rate began to go down.
在科罗拉多冠丘附近寻找野花时， 沙鲁发现了一个金矿：一片骡子耳朵花（一种向阳花）在安史罗塞特山峦和夕阳金碧辉煌的背景中。
Scouting for wildflowers near crested butte, colorado, schallau hit a gold mine : a field of mule ' s ear against a backdrop of the anthracite range and a glorious sunset.
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