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酰乙酰氨基葡萄糖從堿性的脫乙酰甲殼素。 - 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(yáng)離子環(huán)氧樹(shù)脂在木材涂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堿性的。
