Sideroferrite
木化石中发现的天然铁
🗣️ 情景例句
for the one seat on the Riverdale School Board,
争夺Riverdale联合校董会一个席次
Sure bind, sure find.
捆得好，逃不了。
When I present my views on the competitive products, I will refer to the patent situation.
专利的情况会在说明竞争产品时一并提出。