Maculae sacculi
[医] 球囊斑
🧩 词语组成解析
n. 斑点( macula的名词复数 ); 污点; 黑点; 斑疹
背囊; ; 抱腹器（抱腹器）
🗣️ 情景例句
There's much more to be done.
要做的事太多了。
Life is a battle from cradle to grave.
人生是一场从生到死的战斗。
Many firms, for instance, have great difficulty in obtaining technical or scientific books from libraries
比如，很多公司向图书馆借阅科技书籍时感到很困难，