Softening agent pen
[化] 柔软剂PEN
🧩 词语组成解析
[机] 软化处理
pen
[pɛn]
n. 笔，笔尖;笔法，文笔;作家;围栏;
vt. 写;把…关入栏中;关押，囚禁;
🗣️ 情景例句
No problem.
没问题。
He always keeps his words.
他总是信守诺言。
It comes nearer to the engines with which man has 'conquered' the air, as he boasts.
它更近乎于人类自夸的“征服”了空气的发动机。