math
[名 詞] 數(shù)學(xué). (= mathematics)
She is not good at math.
她對(duì)數(shù)學(xué)不行.
Math is used all the time.
數(shù)學(xué)經(jīng)常會(huì)被用到.
mathematics
[名 詞] 數(shù)學(xué).
Mathematics is her strong point.
數(shù)學(xué)是她的強(qiáng)項(xiàng) (專長(zhǎng)).
People started using mathematics from early on.
人們從很早以前就開(kāi)始運(yùn)用數(shù)學(xué).
pizza
[名 詞] 義大利肉餡餅, 比薩.
We went for a pizza together at lunch time.
我們?cè)谖绮蜁r(shí)一起去吃比薩.
A pizza usually has cheese on it.
比薩的上面通常有起司.
police
[名 詞] 警察, 治安, 公安.
Police are needed to keep us safe.
我們需要警察 (公安) 來(lái)維護(hù)治安.
[動(dòng) 詞] 維持 … 的治安, 守衛(wèi), 保衛(wèi), 監(jiān)督.
He was sent to police her.
他被派去監(jiān)督她.
polite
[形容詞] 有禮貌的, 殷勤的, 文雅的, 上流的.
It's not polite to talk with your mouth full.
嘴裡塞滿了食物講話是不禮貌的.
You should be polite to others.
你應(yīng)該要對(duì)人有禮貌.