Planorbis
[医] 扁卷螺属
🗣️ 情景例句
It's a big decision for me, Bill.
对我来说这是个大决定， Bill。
I wouldn't, if I were you.
要是我就不会。
For a long time.I watched them scurrying around the base of the tree in bewilderment.
在很长一段时间里，我看见蚂蚁围着大树底部来回转悠，不知所措。