low - molecular weight/therapeutic use的用法和樣例：
例句
- People are paying more and more attention to low molecular weight chitosan because of its special biologic activity.
低分子量殼聚糖因具有特殊的生物活性而日益受到人們的關注。 - Hydrolysis of polymers, as with their low-molecular weight analogs, is often catalyzed by traces of acids or bases.
和它們的低分子量的類似物一樣，微量的酸或鹼常能促進聚合物的水解。
