Orthothecida
直管螺目
🗣️ 情景例句
Yeah, I know. The biggest.
是的， 我知道。最大的。
Better half an egg than empty shell.
半只蛋也比空壳好。
He was just able to lie down on the ground, but could not stand up.
他只能躺在地上，但不能站起来。