Sector variation（）：n. - 完整释义与助记

🧩 词语组成解析

sector ['sɛktɚ]

n. 部门;领域;防御地区;扇形;

sect切，割 + or 表示物 →把圆切开 → 扇形

variation [,vɛrɪ'eʃən]

n. 变化，变动;变异，演变;变奏曲;变量;

vari变化+ation名词后缀→变化，变动，变更

I'm busy packing for the journey.

我为外出旅行，正忙着打点行李。

Speech is silver (or silvern), silence is golden.

雄辩是银，沈默是金。

While John Gilbert was in hospital, he asked his doctor to tell him whether his operation had been successful,

当约翰。吉尔伯特住院的时候，他问医生他的手术是否成功，

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