Procamide
盐酸普鲁卡因胺
🗣️ 情景例句
Please sit down, Mr. Stewart.
请坐， Stewart先生。
Excuse me for bothering you.
打扰了！
suggested an idea on which he had been working for many years to the British Government and industrial circles.
他向英国政府和工业界提出了他研究多年的一项计划。