Fia
[化] 流动注射分析
🗣️ 情景例句
A friend in need is a friend indeed.
患难朋友才是真正的朋友。
Old wood is best to burn,old horse to ride.
老柴好烧，老马好骑。
'Would you mind unlocking this suitcase please?'
“请打开这只手提箱好吗？”