吃透英语课本，提升在校竞争力
n. 竖锯；拼图游戏
现在分词：jigsawing
第三人称单数：jigsawes
过去式：jigsawed
过去分词：jigsawn
复数：jigsaws
I like doing jigsaw puzzles.
我喜欢玩拼图游戏。
Bill like doing jigsaw puzzles.
比尔喜欢拼拼图。
Earth's surface is not made up of a single sheet of rock that forms a crust but rather a number of 'tectonic plates' that fit closely, like the pieces of a giant jigsaw puzzle.
地球表面并不是由一整块构成地壳的岩石构成的，而是由许多紧密相连的“构造板块”组成，就像一张巨大的拼图一样。
jigsaw puzzle
n. 七巧板；智力拼图玩具
n.拼图玩具；线锯；镂花锯
fret-saw
