Natrium perchloricum
[医] 高氯酸钠
🧩 词语组成解析
n. 钠\\n[医] 钠[11号元素]
🗣️ 情景例句
If the owners don't claim the dog in forty-eight hours,
如果狗的主人在四十八小时内不认领，
Don't forget to look after him.
不要忘记照料他。
As a reasonable guess, they might, on an average, be 100 light years away.
据合理推算，外星人离我们平均距离也有100光年之远