推算

• ピンイン: tuī suàn
• 漢字の分解: 推 = 扌 (hand) + 隹 (bird, phonetic); 算 = 竹 (bamboo) + 目 (eye) + 廾 (two hands) — originally an abacus

意味

推算する／算出する（推定計算する）

Used when a value cannot be directly measured but must be derived through calculation or inference. Common in astronomy (calculating celestial events), history (reckoning past dates), finance (projecting figures), and forensics (estimating times). Implies a systematic, evidence-based estimation process.

例文

1. 天文学家精确推算出下一次日全食将在2035年出现。
2. 考古学家通过碳14检测推算出这件文物距今约三千年。
3. 按目前增长速度推算，五年内用户量将突破一亿。

使い方ガイド

場面: scientific, historical, financial, forensic

トーン: analytical

正しい言い方

• 根据现有数据可以推算出大概的完工日期。(Based on available data, we can calculate an approximate completion date.)
• 专家从地层特征推算出这次地震的震级。(Experts calculated the earthquake's magnitude from the geological strata characteristics.)

避ける言い方

• 用'推算'代替精确的实测结果 (推算 implies estimation through reasoning, not direct measurement — don't conflate with 测量)

起源と歴史

Compound of 推 (extend, derive) + 算 (calculate, count). Together convey 'deriving a figure through calculation.'

文化的背景

世代: All ages

社会的背景: Universal