Osteogenin
成骨素
🗣️ 情景例句
If you want a job in journalism, you'll need to undertake media studies.
如果你想在新闻界工作，你得学习媒体知识。
We can quote you a gross price, inclusive of delivery charges, of 38.50 pounds per 100 items. These goods are exempt form VAT.
我们可以给你方报毛价，每一百件38。5英镑含运费。这些货物免收增值税。
Dad, this bag is too big. We can't carry it.
爸爸，这个包太重了，我搬不动。