n. a hollow globule of gas (e.g., air or carbon dioxide)
n. an impracticable and illusory idea
n. a dome-shaped covering made of transparent glass or plastic
v. form, produce, or emit bubbles
n. 泡沫
vi. 冒泡, 沸腾
vt. 使冒泡, 滔滔不绝地说
1. The children watched the bubbles float in the air.
孩子们看着泡泡在空中漂浮。
2. She blew a big bubble with her gum.
她用口香糖吹出了一个大泡泡。
3. The soap bubble burst when it touched the sharp edge.
肥皂泡在接触到锋利的边缘时破裂了。