An.
[医] 正常大气压
🗣️ 情景例句
Miss Chen is not in right now. She went shopping.
陈小姐现在不在，她去买东西了。
You may rest assured that the shipment will be duly delivered.
你们尽可放心，我们会按时交货的。
It could only get over the mountains if it rose to 10,000 feet.
只有在飞至10，000英尺的高度时，它才能飞过这些山头。