Chemical indicator
[机] 化学指示剂
🧩 词语组成解析
indicator
['ɪndɪketɚ]
n. 指示器;[化]指示剂;指示者;
🗣️ 情景例句
It's no big deal.
没什么大不了的。
Does the shop open at 9 am on weekdays?
这家店平日是早上9点开门吗？
'You needn't be so rude about it,' my wife answered as she looked at herself in the mirror.
“你说话没必要这样不客气，”我的妻子边回答边照着镜子。