常見例句用作名詞 (n.)I have noticed that a portion of Walden which in the state of water was green will often, when frozen, appear from the same point of view blue.我注意到瓦爾登的一個部分，它的水是綠的，一俟凍結之后，從同一觀察點望去，它成了藍色。 返回 Walden