Helicidae
n. 大蜗牛科\\n
🗣️ 情景例句
Guess who I ran into today?
你猜我今天碰见谁啦？
I'm not familiar with that part. Let me call someone who is more knowledgeable.
那部分我不熟悉，让我找专业人士来说明。
Because the gravity on the Moon's surface is only a sixth of Earth's
由于月球表面的重力仅是地球表面的1/6-