搜题
问题   更新时间2023/4/3 12:59:00

1、 句子翻译(英译汉) 1. Acid-base indicators (also known as pH indicators) are substances which change color with pH.

参参考考答答案案:: 酸碱指示剂,又称pH指示剂,是颜色随pH而变化的物质。
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