Nitropolymer
硝基聚合物
??? 情景例句
I wasn't good at it, and I didn't like studying it.
我不精于此道， 也不愛去學它。
It's not the gay coat that makes the gentleman.
君子重德不重衣。
This echo-location in bats is often compared with radar, the principle of which is similar.
蝙蝠這種回聲定位常常可與雷達相比較，其原理是相似的。