Percolumbic acid
[化] 过铌酸
🧩 词语组成解析
🗣️ 情景例句
Oh, let her in.
噢， 让她进来。
How about feed-back from your retailers and consumers?
你们的零售商和消费者的反映怎样？
'You needn't be so rude about it,' my wife answered as she looked at herself in the mirror.
“你说话没必要这样不客气，”我的妻子边回答边照着镜子。