Ferrous acid
[化] 铁酸
🧩 词语组成解析
🗣️ 情景例句
Sure. Would you please sign your name on the back, sir, with your passport number?
每问题。先生，请您在支票背后签上名字和护照号码。
Have but few friends though many acquaintances.
朋友要少，熟人要多。
'I suggest,' said the inspector, 'that you are not telling the truth.
“我提醒您，”探长说，“您讲的不是实话。