Polyoxometallic acid
[化] 多金属氧酸
🧩 词语组成解析
🗣️ 情景例句
Blackjack.
二十一点！
Of young men die many, of old men escape not any.
年轻人死得不少，而年迈者是在劫难逃。
But the first people who were like ourselves lived so long ago that even their sagas, if they had any, are forgotten.
但是，和我们相似的原始人生活的年代太久远了，因此，有关他们的传说既使有如今也失传了。