🧩 词语组成解析
savannah
[[sə'vænə]]
n. 大草原, 热带草原（等于savanna）
river
['rivə]
n. 河，江;溪，巨流;
🗣️ 情景例句
It helps enormously.
这个帮助很大。
I ought to be on time.
我应该准时到。
The Crystal Palace was different from all other buildings in the world, for it was made of iron and glass.
这座水晶宫不同于世界上所有的其他建筑，因为它是用钢和玻璃建成的。