Weak spot
n. 弱点; 弱项
🧩 词语组成解析
weak
[wik]
adj. 柔弱的，虚弱的;无力的，软弱的;不中用的，愚钝的;淡薄的;
spot
[spɑt]
n. 地点，场所;斑点，污点;[股票]现货;职位，职务;
v. 弄上污渍，弄上斑点;污辱，玷污;认出，发现;散步;
adj. 现场的;现货的;插播的;
abbr. satellite positioning and tracking 卫星定位和跟踪;
🗣️ 情景例句
I miss them very much.
我非常想他们。
He went to the post office to mail a letter.
他去了邮局寄信。
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，