Particle number density（）：n. - 完整释义与助记

🧩 词语组成解析

particle ['pɑrtɪkl]

n. 微粒，颗粒;[数，物]粒子，质点;极小量;小品词;

part部分，分开+icle小东西→一小部分→少量

number ['nʌmbɚ]

n. 数字;数量;号码;编号; v. 标号;总计;把…算作;

numer, number 表示”数字”;”计算”,”估算”

density ['dɛnsəti]

n. 密度;稠密，浓厚;[物]浓度，比重;愚钝;

dens变浓厚+ity表名词 → 比重；浓缩

I recently broke up with my boyfriend. I was really bummed out.

最近我和男朋友分手了。我真沮丧。

After a successful career in business,he was appointed ambassador.

在生意的成功以后，他被指定为大使。

What are you doing, Li Lei?

李垒，你在做什么？

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