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汉语拼音：shù gàn

树木的主体部分。

1. 亦作“ 树榦 ”。树的主体部分；树身。

   晋 嵇含 《南方草木状·榕》：“榕树， 南海 桂林 多植之，叶如木麻，实如冬青，树榦拳曲，是不可以为器也。” 杨朔 《赤道雪》：“我能认识的只有‘木布郁’树，树干粗得出奇，十几个人连起胳臂，也抱不过来。”

• Make a slit in the stem about half an inch long.

  在树干上切一道大约半英寸长的口子。

• Cut horizontally and cleanly through the stem.

  沿水平方向整齐地锯断树干。

• the diameter of a tree trunk

  树干的直径

• The tree trunk was hollow inside.

  这树干里面是空的。

• ivy twining around a tree trunk

  缠绕在树干上的藤蔓

• The natives make excellent boats from the tree trunks.

  当地人用树干造出了非常漂亮的小船.

• There is a new trunk growing from the fallen dead tree.

  从倒下的枯树上长出一棵新树干.

• He hewed a canoe out of a tree trunk.

  他把一根树干凿成独木舟.

• Rot in the tree trunk caused the tree to fall.

  树干的腐烂导致树倒了.

• The boy could be seen with his legs wrapped around the trunk.

  只见那男孩双腿盘着树干.

• The vine twines round the tree.

  这藤盘绕在树干上.

• There is a big protuberance on the trunk.

  树干上有个大包.

• He took his ax and struck the trunk of the tree. Whack. Whack. Whack.

  他举起斧子砍树干，咔，咔，咔。

• Some people had to cling to trees as the flash flood bowled them over.

  一些人不得不紧紧抱住树干，因为湍急的洪水会把他们冲倒。

• The rabbit tires and falls, landing inside the hollow trunk of a sycamore tree, where he is trapped.

  兔子掉到了一棵无花果树的空树干里, 怎么挣扎也出不去.