Sleer
abbr. systemic lupus erythematosus 【病理学】系统性红斑狼疮
🗣️ 情景例句
Yes, I'm ready.
是的，我想好了。
We can offer door-to-door delivery services.
我们可提供送货上门服务。
(A light year is the distance which light travels at 186,000 miles per second in one year,
一光年是光以每秒186，000英里的速度在一年内走的距离，