n (1)樹(woody tall usu plant with a single main stem，or trunk)[C]：an apple/elm/ash/oak～ 蘋果/榆/白蠟/橡樹;a coconut～ 椰樹; cherry/rose～s 櫻桃/玫瑰樹;be under the～s 待在樹下;cut down～s 伐樹;A bird settled on a～. 鳥棲息在樹上。a～farm 林場;～trunks/shelter 樹干/陰;family～(fig)家譜;not see the wood for the～s 只見樹木不見森林;up a～進退維谷;
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 無樹的;′tree-fern n 樹蕨;′tree-house n 建在樹上的小屋(供兒童玩耍);′tree-line n 樹木生長線;′tree-top n 樹梢(頂);′tree-surgeon n 伐木工;
vt 被迫上樹(force up a tree)[T+n，通常pass]：The cat was～d by a dog. 貓被狗追得上了樹。