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
He knows everything about the production schedule,
他知道生产进度的一切情况，
A leader should not dictate to his followers.
领导者并不是向部下下达命令便了事的。
She intended to dress up as a ghost and as she had made her costume the night before,
她打算装扮成鬼的模样。头天晚上她已把化装服做好，