Osteogen
成骨质
🗣️ 情景例句
to hear about your wife having passed away.
听到你太太去世的消息。
Thanks for coming to help on such a short notice.
谢谢你临时来帮忙。
This evening the cave was ours. It belonged to no one else.
今天晚上，山洞是我们的，它不属于别人。