tree:n. 樹；木料；樹狀物vt. 把...趕上樹vi. 爬上樹；逃上樹This big tree is the bird's home.這棵大樹是鳥兒的家。

They cut the tree with an axe.他們用一把斧子伐樹。Let's rest under yonder tree.我們在那邊的樹下休息吧。train:n. 火車；行列；長隊；裙裾v. 培養(yǎng)；訓練；瞄準I'm training for next week's competition.我正在為下周的比賽訓練。I'll go home by train this weekend.這個周末我將乘火車回家。The two ways to get around the UK are by trainand by bus.在英國旅行的兩種方式是坐火車和坐公共汽車。He was training us to be soldiers.他正把我們訓練成士兵。