She bent down, picked up a rock, and threw it into the trees.
她弯下腰,拣起一块小石头,把它扔进树林里。
'said Cahn, pointing to a little house nestled into the trees.
卡恩说,指着树荫遮掩着一座小房子。
Although both feed by draining the hemlocks of their juices, the adelgids also inject toxic chemicals into the trees.
虽然它们都依靠吸铁杉的树汁存活,但球蚜同时还把有毒的化学液体注进了树木。
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