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
What books are required for this class?
这课需要什么样的书？
Be slow to promise and quick to perform.
不轻诺，诺必果。
Frank smiled when he remembered his hard early years and the long road to success.
弗兰克回想着他早年的艰难经历和走过的漫长的成功之路，微笑了。