Epoc
Symbian 开发的一种嵌入式操作系统，主要用于手机和PDA
🗣️ 情景例句
About fifteen minutes.
大约十五分钟吧。
Yesterday was such a beautiful day we decided to go for a drive.
昨天是如此美好的一天，我们决定开车出去。
Litter baskets have been placed under the trees, but people still throw their rubbish everywhere.
树下都已设置了废物筐，但是人们仍到处扔垃圾。