Magnesium perchlorate
[化] 高氯酸镁
🧩 词语组成解析
magnesium
[mæg'ni:zjəm]
n. [化]镁（金属元素）;
[化] 高氯酸盐\\n[医] 高氯酸盐
🗣️ 情景例句
we don't have to.
我们不必勉强。
Score twice before you cut once.
三思而行。
there is always something to do in connection with it, from finding the right place for the latest addition, to verifying facts in reference books.
从为新增添的收藏品寻找摆放位置到核对参考书中的事实，总归有事可做。