Calcium ester
[化] 钙酯(又是钙盐又是酯)
🧩 词语组成解析
n. 酯\\n[化] 酯
🗣️ 情景例句
It's nice meeting you.
很高兴认识你。
I meet the boy whose aunt is a stenographer.
我遇到那个男孩的姑妈是速记员。
Last year a journalist had been instructed by a well-known magazine to write an article on the president's palace in a new African republic.
去年，一位记者受一家有名的杂志的委托写一篇关于非洲某个新成立共和国总统府的文章。