Polar formula
[醫] 極性式
?? 詞語組成解析
formula
['f?:mjul?]
n. 公式，準則;客套話;方案;嬰兒食品;
??? 情景例句
I will. Thanks, Dad.
我會小心的。謝謝你，爸爸。
She seems to have no principles at all when it is a question of making money.
一碰到掙錢的事，她就好像完全不顧自己的人格了。
The cry had certainly come form one of the chimneys, but as there were so many of them, the fire fighters could not be certain which one it was.
喊叫聲肯定是從煙囪里傳出來的，然而，因為煙囪太多，消防隊員無法確定到底是哪一個。