Sector variation

[电] 长期变化

🧩 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

🗣️ 情景例句

Susan called early this morning. Susan
一大早打电话来。
Tom graduated from college at a very young age.
汤姆很年轻就从大学毕业了。
When the brothers were reunited, Hans explained how it was that he was still alive.
兄弟俩团聚之时,汉斯说明了他活下来的经过,
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🔤 更多 S 开头的单词

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