Densities
n. 密集( density的复数形式 ); 稠密; <物><化>密度(固体、液体或气体单位体积的质量); 密度(磁盘存贮数据的可用空间)
🗣️ 情景例句
A policeman pricks up his ears.
一个警察竖起耳朵在认真地听着。
'You don't need bookcases at all.You can sit here in your spare time and read the carpet!'
“你根本用不着书橱,空闲时你可以坐在这儿读地毯!”
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