Pointing reaction
[医] 指物[位]反应
🧩 词语组成解析
pointing
['pɔintiŋ]
n. 弄尖，指示;勾缝;磨尖;
🗣️ 情景例句
OK, we've got a movie.
好， 我们知道有部电影。
What kind of hero is that?
这样算什么英雄好汉？
Ethanol is more effective at a concentration of 50-70 percent;
乙醇的浓度为50％至70％时比较有效，