Propositional letter
[計] 命題字母
?? 詞語組成解析
a. 建議的；命題的
letter
['l?t?]
n. 信;證書，許可證;字母，文字;字面意義;
vt. 用字母標明;寫字母于;加標題;
vi. 寫印刷體字母;
??? 情景例句
Thank you so much.
太謝謝你了。
I'll meet you tomorrow.
我們明天見面。
and often are foolish enough to let the adolescents see that they are annoyed.
而且愚蠢地讓孩子看出自己的煩惱。