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树洞
1、castellation hole───蜂窝孔
2、drilling hole───钻孔
3、through hole───透眼，透孔，通孔
4、jackson hole───杰克逊霍尔（地名）
5、he hole───he洞
6、weepers hole───泄水孔
7、last hole───[体]最后一穴
8、blue hole───蓝洞（一家游戏开发公司）
9、hole───vt.凿洞；vi.凿洞，穿孔；（高尔夫球等）进洞；n.(Hole)人名；(瑞典、挪)霍勒；(英)霍尔；n.洞，孔；洞穴，穴；突破口
1、I am living in hell with this secret in my mind, maybe I should try to put it into a tree hole post and give myself a break.───脑子里藏着这个秘密，我每天都在受煎熬。或许我应该去发个树洞帖，也好让自己松口气。
2、The secret of love hidden in the tree hole, is of no significance.───爱的秘密藏在树洞里，是没有意义的。
3、The tree hole is the front of a real exports.───这个树洞是前面地道的一个出口。
4、The soldier tied a rope to his waist and put the apron on his knapsack. Then, he entered the tree hole and went down.───士兵把绳子绑在腰间，把围裙放进背包，然后，走进树洞，坠了下去。
5、outskirts of the tree hole, a Mr rabbit will take her to the wonderland, and she will meet the deam prince.───树洞的树下睡着了的话，就会有一位兔子先生来带她去到梦幻的仙境，遇见梦幻的王子……
6、It makes them feel just like hiding their secrets in tree holes, that's why it is called tree hole post.───感觉跟把秘密封藏在树洞里差不多，帖就被称为“树洞帖”。
7、There are three hounds chasing a marmot which then gets into a tree hole.───有三只LieGou追一只土拨鼠，土拨鼠钻进了一个树洞。
8、And microblog is a tree hole filled with our laughter and sorrow.───微博是个树洞，装满人们的欢笑与哀伤。
1、The random factors were the canopy, slope degree, vegetation type, tree height, shrub height, tree stump height, tree hole density and human disturbance.