Tetranitrocompound
四硝基化合物
🗣️ 情景例句
Aren't you surprised
不觉得很惊讶吗？
Nothing comes amiss to a hungry man.
饥不择食。
People said gold could easily be picked up by washing sand from the river in a pan of water.
据说，在一盆水里淘洗可沙就很容易找到金子。