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
You were big, just like Max.
很大， 像Max一样。
The author of these books is a great writer.
这些书的作者是位伟大的作家。
When lights fuse, furniture gets rickety, pipes get clogged, or vacuum cleaners fail to operate, some woman assume that their husbands will somehow put things right.
每当电灯保险丝烧断、家具榫头松动、管道堵塞、吸尘器不动时，有些妻子认为丈夫总有办法。