Polymethylation
[化] 聚甲基化; 聚甲基化作用
🗣️ 情景例句
just so they can get
就是为了得到
Brave actions never want a trumpet.
勇敢的行为不须要吹号。
but that was precisely the idea adopted in some of the early instruments (seismometers) for recording earthquake waves.
但是早期记录地震波的仪器（测震仪）正是采用了这种思路。