Calcium phosphate secondary
[机] 二代磷酸钙, 磷酸氢钙
🧩 词语组成解析
phosphate
['fɔsfeit]
n. 磷酸盐;（含有少量磷酸的）汽水;
secondary
['sɛkəndɛri]
adj. 第二的，中等的;助手，副手;中等教育的;间接的;
n. 副手，代理人;[天]双星中较小较暗的一个，卫星;[语]次重音;
second第二+ary...的→第二的
🗣️ 情景例句
I'll be here when he calls back. Much appreciated.
他打电话时我会在这，太感谢你了！
You said it. I didn't.
这是你说的喔！
Ever since, people have had difficulty in deciding whether the craft should be ranged among ships,
自那以后，人们很难决定是否应该将这种运载工具列为轮船、