O-
[医] 正, 邻(化学)
🗣️ 情景例句
Hmm. Anything else?
嗯， 还有其他事吗？
No wonder!
这也难怪！
Before long, the noise dropped completely and the boat began to drift gently across the water.
没过多久，噪音便彻底消失，快艇开始在水面上慢悠悠地漂流。