Retention cyst
[医] 潴留囊肿
🧩 词语组成解析
retention
[ri'tenʃən]
n. 保留;记忆力，保持力;滞留，扣留;闭尿;
n. 包囊, 囊肿\\n[医] 囊肿; [包]囊
🗣️ 情景例句
Philip, I took Michelle to a school play
Philip,我带Michelle看过学校演出的
I didn't know whether to send the letter airmail or not.
我不知道是否送航空邮件。
Working rapidly in the darkness, he soon changed into the dead man's clothes.
他在黑暗中忙活了一阵儿，很快就换上了死者的衣服。