alkaline
/ˈælkəlaɪn/ (bre, ipa) · /ˈælkəlaɪn/ (ame, ipa) · /ˈal-kə-lən -ˌlīn/ (ame, mw)
alkaline — 形容詞
- alkalinepositive
- more alkalinecomparative
- most alkalinesuperlative
1. describing a chemical substance whose pH is higher than 7 and that neutralizes a
鹼性的
pH值高於7、能中和酸的化學性質
describing a chemical substance whose pH is higher than 7 and that neutralizes acids to form salts
The gardener checked the soil with a test kit and found it was slightly alkaline.
園丁用測試套件檢查土壤，發現土壤略帶鹼性。
collocation: alkaline soil — common in gardening
The chemistry teacher poured the clear alkaline solution into a glass beaker.
化學老師將清澈的鹼性溶液倒入玻璃燒杯中。
collocation: alkaline solution — used in lab settings
Dr. Okonkwo recommended alkaline foods like spinach and cucumber to help with digestion.
Dr. Okonkwo 推薦菠菜和小黃瓜等鹼性食物來幫助消化。
The lake near the old mine had become too alkaline for most fish to survive.
舊礦場附近的湖泊鹼性變得太強，大多數魚類都無法生存。
A lab technician added an alkaline buffer to keep the mixture stable during the experiment.
實驗室技師加入鹼性緩衝液，使混合物在實驗過程中保持穩定。
- basic
used in chemistry to mean the same thing, but more formal and technical; also has the unrelated everyday meaning of 'simple'
- acidic
having a pH below 7; the opposite chemical behaviour
文法句型
alkaline + noun
be/become + alkaline
用法筆記
Most often used before a noun (alkaline soil, alkaline solution). It can also follow 'be' or 'become' (the water is alkaline).