Diacaustic
散焦面, 散焦曲线
🗣️ 情景例句
You can say he's more of a politician than a statesman.
你可以说他更像政客而不像政治家。
Half a loaf is better then no bread.
半块面包亦胜无。
The next evening the man upstairs came home from work late as usual.
第二天晚上，楼上人和平时一样很晚才下班回家。