Safa
abbr. solar-array failure analysis 太阳排列故障分析; soluble-antigen fluorescent antibody 可溶性抗原荧光抗体
🗣️ 情景例句
You'll be glad to hear that Bill is alive and kicking.
比尔现在精神饱满，你听了一定很高兴。
A squirrel cracks the nuts.
松鼠在啃坚果.
At that moment Lucy came into the library.
正在那时候，露茜走进图书馆。