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
Well, wouldn't you know it?
嘿，你想知道这么件事吗？
If one desires to succeed in anything, he must pay the price.
如果想做成点事，就得付出代价一干。
Now, smoke still rose up from the warm ground over the desolate hills.
而现在，发热的地面上仍然升腾着烟雾，弥漫在荒凉的山丘上。