✅ 同义词
🗣️ 情景例句
The little boy held his mother's hand firmly when crossing the street.
那小男孩过马路时紧抓着母亲的手。
Have you had breakfast already?
你已经吃了早餐吗？
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，