Microbubbles
(microbubble 的复数) n. 微（气）泡
🗣️ 情景例句
to transform it into a new community center.
将它转变成一个新的社区中心。
Success grows out of struggles to overcome difficulties.
成功来自于克服困难的斗争。
She heard the front door open and heavy footsteps in the hall.
她听见前门被打开，走廊里响起重重的脚步声。