Perchloric acid
[化] 高氯酸\\n[医] 高氯酸, 过氯酸
🧩 词语组成解析
a. [化](含)高氯的
🗣️ 情景例句
It's great. Although the economy is pretty slow as usual, it's picking up.
很好。虽然经济发展照常地缓慢，不过已开始回升。
When did you do homework?
你什么时候做家庭作业？
Why does aperson standing in a bus or train tend to fall when a sudden start is made?
一个人站在公共汽车或火车上，当车突然开动时，他为什么会倾倒呢？