Ultrasonic thickness indicator（）：n. - 完整释义与助记

🧩 词语组成解析

ultrasonic [,ʌltrə'sɑnɪk]

adj. [声]超声的;超音波的，超音速的; n. 超声波;

ultra超出，超过+son声音+ic形容词后缀，…的→超音速的

thickness ['θɪknəs]

n. 层;浓度;厚（度）;最厚的部分;

thick 厚的+ ness 表名词→ 厚(度)；密(度)

indicator ['ɪndɪketɚ]

n. 指示器;[化]指示剂;指示者;

We'll live in New York.

我们会住在 New York。

He that would know what shall be must consider what has been.

欲知未然，须思已然。

he answered me, but he spoke neither slowly nor clearly.

他回答了，但他讲得既不慢也不清楚。

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