Trialkylated
三烷基化的
🗣️ 情景例句
The crowd flocked around the speaker.
人群聚集在演讲人四周。
Give as good as one gets.
以其人之道，还治其人之身。
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。