Gem-dinitro compound
[化] 偕二硝基化合物
🧩 词语组成解析
gem
[dʒem]
n. 宝石，珍宝;精华，佳作;受人重视者;[印]四点活字;
v. 点缀;用宝石装饰;饰以宝石;
adj. 最佳品质的;
地乐酚
🗣️ 情景例句
Simply this.
简单说来是这样的。
I did homework lat night.
我昨晚做家庭作业。
As long as all was still, the pen drew a straight line,
只要一切都是静止的，笔就会划出一条直线；