Concentration profile
[化] 浓度分布剖面图
🧩 词语组成解析
profile
['profaɪl]
n. 侧面，半面;外形，轮廓;[航]翼型;人物简介;
vt. 描…的轮廓;给…画侧面图;为（某人）写传略;[机]铣出…的轮廓;
pro向前，在前+file纱线→前面的线条→轮廓；侧面像
🗣️ 情景例句
What have you learned from jobs you have held?
你从以往的工作中学到什么？
I told him to stay till he calls.
我告诉他留下来等他打电话来。
But the historian attempting to reconstruct the distant past is always faced with a difficult task.
但是，历史学家企图重现遥远的过去可是一项艰巨的任务，