Clacker
n. 噼啪声；嗒嗒声
🗣️ 情景例句
Oh no! Is it serious?
噢， 糟糕， 严重吗？
He gave a straightforward answer.
他给予了坦率的回答。
Recent developments in astronomy have made it possible to detect planets in our won Milky Way and in other galaxies.
天文学方面最新发展使得我们能够在银河系和其他星系发现行星。