Tetranitrol
季戊四醇四硝酸酯, 季戊炸药
🗣️ 情景例句
I did.
看到了。
Mr. Jones is a renowned international authority on the problem of overpopulation in developing countries.
琼斯先生在发展中国家人口过剩问题方面是声誉卓著的国际权威。
After the party. Ann feels very happy.
聚会之后，安感到非常愉快。