Mother pandas often let baby pandas stay alone for two days.

熊猫妈妈经常让小熊猫单独待两天。

youdao

He can't add two and two, let alone do fractions.

他连二加二都不会，更不用说做分数题了。

youdao

He can't add two and two, let alone do fractions.

他连二加二等于几都不知，更不用说做分数了。

youdao

He can't add two and two, let alone do fractions.

他连二加二等于几都不知，更不用说做分数了。

youdao