例句 /

In fact the fruit spot of the pear was one of phellem (the cork cells) formed by cambium of phellem of the periderm.

In fact the fruit spot of the pear was one of phellem (the cork cells) formed by cambium of phellem of the periderm.

有些地方由于大量木栓细胞的产生,并突出于果实表面,形成了所谓果点,其实这该认为是表皮上面大小不同的皮孔。