Homalopsid
水游蛇, 水游蛇科的
🗣️ 情景例句
Do you understand?
你明白吗？
Generally speaking, it's cheaper but slower to ship goods by sea than by rail.
总的来说，海运比铁路运输更便宜，但速度慢一些。
Can I ask you what it's about?
请问你有什么事儿？