Las
abbr. 阿拉伯国家联盟（League of Arab States）；大气科学实验室（Laboratory of Atmospheric Sciences）；光敏开关（Light Activated Switch）
🗣️ 情景例句
He must have loved her very much.
他一定非常非常地爱她。
Have I made myself clear?
我讲明白了吗？
This is Zhou Lan speaking.
我就是周兰。