source: Espresso English 2015年5月24日
Vocabulary Builder Course: http://www.espressoenglish.net/vocabu...
# roots / trunk / branch / leaves
# bark / shade
# palm trees / pine trees / a will / a birch tree
# cut down / chop down a tree
# stump / lumber / timber
# logs / boards / planks
# deforestation / plant trees