Neritacea
蜒螺科; 蜒螺总科
🗣️ 情景例句
He's a real two-timer.
他用情不专。
My grandfather got married in 1921.
我的祖父在1921年结婚。
it is extremely difficult to estimate the true value of the services which people perform for us.
但要估算别人为我们为所提供的服务的价值却是极其困难的。