Polyhydrocyanic acid
[化] 聚氢氰酸
🧩 词语组成解析
🗣️ 情景例句
She's coming over this morning to help me with my math.
她今天早晨要过来帮我补习数学。
The truest politeness comes from sincerity.
真正的殷勤出于真诚。
She is a good-looking girl.
她是一个漂亮女孩。