Osteogen
成骨质
🗣️ 情景例句
He is with someone right now. Would you hold?
他现在在会客。你可以稍等吗？
He who has no shame has no conscience.
没有廉耻的人，没有良心。
At the age of eight, he joined a group of child dancers.
8岁时参加了儿童舞蹈团。