Phenylenediamine
苯二胺
🗣️ 情景例句
There is a way, Malcolm.
有一个办法， Malcolm。
When a friend asks, there is no tomorrow.
朋友的要求不要拖。
rising at one-foot intervals all the way to the top of the atmosphere.
并按1英尺的间隔从地面一直排列到大气层的顶端。