🗣️ 情景例句
Things have been better, but I'm still happy to be living here.
情况好了不少，但我还是很乐意住在这儿。
If you're not happy, say it!
不高兴就说啊！
It has been found that certain bats emit squeaks and by receiving the echoes,
人们发现，某些蝙蝠能发出尖叫声，