Physica
n. 自然史（医学书籍名）
🗣️ 情景例句
What about a cup of tea?
喝杯茶如何？
Then we'd have some idea of what you'll be needing.
那么我们就会心中有点儿数，知道你们需要什么了。
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，