Perco hf alkylation
[建] 培柯氟化氢烷基化
🧩 词语组成解析
[医] 铃(72号元素)
n. 烷化作用, 烷化\\n[化] 烷基化; 烷基取代
🗣️ 情景例句
Mom, you're going to win!
妈妈，你会赢的
A tree is known by its fruit.
观其行而知其人。
Anthropologists wondered where the remote ancestors of the Polynesian peoples now living in the Pacific Islands came from.The sagas of these people explain that some of them came from Indonesia about 2,000 years ago.
其中一部分是约在2，000年前从印度尼西亚迁来的。