Podolite
碳磷灰石
🗣️ 情景例句
I think aerobics is easy.
我觉得有氧运动很容易。
As a sign of friendship, Gordon and Peter clasped hands.
为了象征友谊，高顿和彼德互相握手。
'I will take an interest in this or that.'
我会对这个或那个发生兴趣。