Submitted by admin on Mon, 04/14/2014 - 01:03
definition:
(in singular) The uppermost branches of the trees in a forest, forming a more or less continuous layer of foliage
sentence:
The American chestnut did not really disappear from the eastern forests-it ceased to be a part of the forest canopy and is now a part of the shrub understory.
difficulty:
medium
toefl frequency:
2
toefl classification: