Sierra leone
n. 塞拉利昂
🧩 词语组成解析
sierra
[[si'erə]]
n. 呈齿状起伏的山脉
[经] 里昂
🗣️ 情景例句
Hello, Sally. I'm glad to meet you.
你好，萨里，很高兴见到你。
I checked my baggage in the baggage section.
我在行李房托运行李。
So it is a comparatively simple step from locating the sea bottom to locating a shoal of fish.
从测定海深到测定鱼群，这一进展比较容易。