Dahllite
碳酸磷灰石, 磷酸钙石
🔁 扩展释义
【医】 磷碳酸钙
🗣️ 情景例句
know that I'm running for office
知道我正在竞选公职，
David must figure on at least seventy strong men for support.
戴维至少须把七十个壮汉的协助计算进去。
The contract will be sent to you by air mail for your signature.
合同会航邮给你们签字。