Retention analysis
[化] 残留分析; 保留分析; 保留分析法
🧩 词语组成解析
retention
[ri'tenʃən]
n. 保留;记忆力，保持力;滞留，扣留;闭尿;
🗣️ 情景例句
It's no use crying over spilt milk. What's done cannot be undone.
覆水难收。
What a shame.
好可惜。
We'll meet him at the harbour early in the morning.
明天一大早我们将在码头为他送行。