Retention aid
[化] 助留剂
🧩 词语组成解析
retention
[ri'tenʃən]
n. 保留;记忆力，保持力;滞留，扣留;闭尿;
aid
[eid]
n. 帮助;助手;外援;辅助设备;
vt. 帮助;资助;救助;促进;
vi. 帮助;
🗣️ 情景例句
I put them in the pocket of my sports jacket.
我把它们放在我运动夹克的口袋里。
Do you always fold the clothes after you bring them in off the line?
你把衣物从晒衣绳收下来时，会把它叠好吗？
You and Lily must come over to my house and see!
你和莉莉应该到我家来看看！