Lactic acid precursor
[医] 乳酸先质
🧩 词语组成解析
lactic
['læktik]
adj. 乳的;
precursor
[pri'kɝsɚ]
n. 前辈，前驱，先锋，前任;预兆，先兆，初期形式;[核]前驱波，初级粒子;预报器;
pre…前，预先+curs跑，发生+or名词后缀，表人或物→先跑者→先驱
🗣️ 情景例句
Did they write some bad news?
他们写了什么坏消息吗？
He's tired because he worked hard all day today.
他疲倦是因为他今天整天努力工作。
He can hardly speak.
他几乎说不出话来。