Calcium perborate
[医] 过硼酸钙
🧩 词语组成解析
n. [化]过硼酸盐
🗣️ 情景例句
Thank you again.
再次感谢。
Better wear out than rust out.
与其闲散不如忙碌。
By 1840 about 2,000 Europeans, mainly British, had come to settle in New Zealand and the Maori signed an agreement with these settlers.
截止1840年已有约2，000名欧洲人，其中大部分是英国人，到新西兰定居，毛利人与这些移居者签订了一个协议。