Calc-
[前缀]表示“钙”之义
🧩 词语组成解析
[计] 计算
🗣️ 情景例句
Lacks confidence and poise is nervous and ill at ease.
信心不足，不够自信，精神紧张，心神不定。
The weather is nice today.
今天天气很好。
They can't pick up the small pieces with their fingers.
他们用手指拿不起小零件。