Indicator tube
[电] 指示管
🧩 词语组成解析
indicator
['ɪndɪketɚ]
n. 指示器;[化]指示剂;指示者;
🗣️ 情景例句
He made up with his girlfriend.
他和女朋友和好了。
It's a bit too hard.
这有点太难了吧。
He is respectful to his elders.
他对长辈很恭敬。