they help to recycle crucial minerals straight back into the trees. 真菌因此帮助树木直接供给树木所需的矿物质
His giant front paws help him to fight the ocean currents. 它那巨大的前爪有力地拨动着海水
External gills help it to breathe in water that is particularly low in oxygen. 外生的鳃帮助它们 在极度缺氧的水中呼吸
but it's only with the help of today's technology 但只有借助现代科技
Its mother does everything possible to help it. 母象尽可能地去帮它一把