Doubtful word
[计] 有疑问的字
🧩 词语组成解析
doubtful
['daʊtfəl]
adj. 难以预测的;难以预料的，未定局的;怀疑的，拿不准的;不明不白;
doubt二，双+ful形容词后缀，有...性质的 → 两种状态的 → 可疑的，怀疑的
word
[wɝd]
n. 单词;话语;诺言;消息;
vt. 措辞，用词;用言语表达;
vi. 讲话;
🗣️ 情景例句
but in the end the voters will have to decide.
但最后却要由选民来决定。
How many pieces are you going to buy?
你要买几块？
The undulating waves of the open sea are generated by three natural causes:
海浪是由三个自然因素形成的：