n (1)樹(shù)(woody tall usu plant with a single main stem，or trunk)[C]：an apple/elm/ash/oak～ 蘋(píng)果/榆/白蠟/橡樹(shù);a coconut～ 椰樹(shù); cherry/rose～s 櫻桃/玫瑰樹(shù);be under the～s 待在樹(shù)下;cut down～s 伐樹(shù);A bird settled on a～. 鳥(niǎo)棲息在樹(shù)上。a～farm 林場(chǎng);～trunks/shelter 樹(shù)干/陰;family～(fig)家譜;not see the wood for the～s 只見(jiàn)樹(shù)木不見(jiàn)森林;up a～進(jìn)退維谷;
at the top of the tree 處于某行業(yè)的上層地位：He's at the top of the publishing～now. 他在出版行業(yè)處于執(zhí)牛耳的地位。
(2)木材，材料(thing made of wood or either material for certain purposes)[C](尤構(gòu)成合成詞)：a shoe-/clothes-～鞋楦/衣架;
→′treeless adj 無(wú)樹(shù)的;′tree-fern n 樹(shù)蕨;′tree-house n 建在樹(shù)上的小屋(供兒童玩耍);′tree-line n 樹(shù)木生長(zhǎng)線;′tree-top n 樹(shù)梢(頂);′tree-surgeon n 伐木工;
vt 被迫上樹(shù)(force up a tree)[T+n，通常pass]：The cat was～d by a dog. 貓被狗追得上了樹(shù)。