Polymer degradation

[化] 聚合物降解

?? 詞語組成解析

polymer ['pɑl?m?]
n. 多聚物;[高分子] 聚合物;
poly多+mer=merit積德→ 聚合體
degradation [,d?ɡr?'de??n]
n. 墮落;潦倒;毀壞;惡化;
de向下+grad步，級+ation名詞后綴→向下降級→ 墮落，退化，降級，貶黜

??? 情景例句

I could work out in your class with no problem.
如果我去你的班上做運動， 一定不會覺得有問題。
A book is the same today as it always was and it will never change.
一本好書今天如此，將來也如此，永不改變。
Is that all? It seems worse than a cold.
僅此嗎？看似比感冒重吧。
更多情景英語 ›

?? 更多 P 開頭的單詞

parasol ['p?r??s?l]
全部 P 開頭單詞 ›