Mental arithmetic
n. 心算
📖 牛津释义
mental arithmetic
calculation(s) done in the mind, without writing down figures or using a calculator, etc 心算.
🧩 词语组成解析
mental
['mɛntl]
adj. 内心的，精神的，思想的，心理的;智慧的，智[脑]力的;〈口〉精神病的，意志薄弱的，愚笨的;
n. 精神病患者;
ment思考，神智+al表形容词 → 智力的；精神的
🗣️ 情景例句
That's a great drawing of your girlfriend, but you should emphasize the nose a bit more.
你的女友这张画像很漂亮，但你应该把她的鼻子再勾画一下。
Would you like to go for a sight-seeing ride?
你想要去搭车观光吗？
Whenever the Italian city-states were at war with each other, Hawkwood used to hire his soldiers to princes who were willing to pay the high price he demanded.
每次意大利各城邦之间打伏，霍克伍德把他的士兵雇佣给愿给他出高价的君主。