Naa
全国航空协会(美国)\\n[化] 中子活化分析
🗣️ 情景例句
The policemen could not cope with the crowds.
警察不能对付群众。
Are there reserved seats on the train?
车上有预订座位吗？
Tang Lin, I want to introduce my friend Jane.
唐林，我想向你介绍我的朋友珍妮。