weakly alkaline的用法和樣例：
例句
- Chitosan, a natural polymer, is a partially deacetylated polymer of acetyl glucosamine obtained from the alkaline deacetylation of the chitin.
殼聚糖是一種天然高分子，是一種聚合物部分脫乙醯乙醯氨基葡萄糖從鹼性的脫乙醯甲殼素。 - A disadvantage that has prohibited cationic epoxies from more uses in wood coating is their sensitivity to humidity and the fact that some woods are alkaline in nature.
阻礙陽離子環氧樹脂在木材塗料當中應用的是因為它們對水分很敏感，以及一些天然的木材是鹼性的。
