Blue sky
蓝天；彼苍；青天
🧩 词语组成解析
blue
[blʊ]
n. 蓝色;[复数]（美国海、陆、空三军穿的）蓝色制服;蓝颜料;[the blue(s)][用作单数或复数]布鲁斯（歌曲）（一种伤感的美国黑人民歌）;
adj. 蓝色的;沮丧的，忧郁的;下流的;
vt. 把…染成蓝色;使成蓝色;给…用上蓝剂;用上蓝剂于;
vi. 变成蓝色，呈蓝色;
sky
[skaɪ]
n. 天（空）;
vt. 将…击向空中;将…高挂;
🗣️ 情景例句
Goodbye, hope to see you again.
再见， 希望再次见到你。
Keep your body clean!
身体要常保持清洁。
During the summer, I noticed tat the leaves of the tree were beginning to wither.
到了夏天，我发现树叶开始枯萎，