Lead dichromate
[化] 重铬酸铅
🧩 词语组成解析
lead
[lid]
vt. 领导;引导;指挥;
vi. 领导;导致;用水砣测深;
n. 铅;领导;榜样;枪弹;
adj. 领头的;最重要的;领先的;
n. 重铬酸盐\\n[化] 重铬酸盐(或酯)
🗣️ 情景例句
Richard says Max is twenty-one inches long. Richard
说Max是二十一英尺长。
The old lady takes delight in visits from her grandchildren.
那个老妇人以孙辈门看她来为乐。
This shows how long it was before we deemed it necessary to make sure that all our children could share in the knowledge accumulated by the'happy few' during the past centuries.
这说明，经过了多么漫长的时间之后，我们才认识到，有必要确保我们的孩子享有多少个世纪以来由‘少数幸运者’所积累起来的知识。