bǎ / jǐ / dī / róng / yè / dī / zài / shì / zhǐ / shàng / jiù / néng / cè / chū / suān / jiǎn / dù

把几滴溶液滴在试纸上，就能测出酸碱度。

Put a few drops of the solution on the test strip to measure its acidity.