Ultrasonic thickness indicator
[化] 超声波测厚器
🧩 词语组成解析
indicator
['ɪndɪketɚ]
n. 指示器;[化]指示剂;指示者;
🗣️ 情景例句
And without their energy and stamina,
没有他们的体力和耐力，
You'd better go at once, hadn't you?
你最好马上走，不对吗？
This wonderful plane can carry seven passengers.
这架奇妙的飞机可以载7名乘客。