Ess
n. 字母S, S字形之物\\n[计] 电子交换系统
🗣️ 情景例句
She's really a good friend, isn't she?
她真是我的好朋友，不是吗？
Switzerland is famous for its milk and cheese.
瑞士的牛奶和奶酪是非常出名的。
This platform would serve as a port and a railway station.
如果再建些伸出海面的高大的烟囱状通风管，