Aetna
n. 酒精灯煮水器
🗣️ 情景例句
Santa Clara? OK. That's about 20 miles away.
圣塔克莱拉？好的，大约是20英里远。
May I ask the reason for your remittance?
可以请问汇款的原因吗？
Even more processes are never patented at all but kept as secret processes.
更多的工艺过程根本就不会取得专利权，而是作为秘方保存着。