算術(shù)

Her school report shows that she is weak at/in arithmetic and biology. 從她的學(xué)習(xí)成績(jī)單可看出她算術(shù)和生物成績(jī)差。

She grounded her pupils well in arithmetic. 她給自己的學(xué)生打下良好的算術(shù)基礎(chǔ)。

The little boy was not good at arithmetic. 這個(gè)小男孩算術(shù)不太好。

He is clever at arithmetic. 他擅長(zhǎng)算術(shù)。