Perinaphthindenylium cation
[化] 周萘茚陽離子
?? 詞語組成解析
cation
['k?tai?n]
n. 陽離子;
??? 情景例句
Would you like
想不想
This material feel hand, How does that materoal feel?
這種布料感覺起來很硬，那塊料子如何呢？
Both the police and the workmen were grateful to the student for this piece of advance information.
警察與工人都對那個學生事先通報情況表示感謝。