1·On holiday in Alaska, they made moulds of a Wolf's pawprint, a "science adventure".
在阿拉斯加度假期间,他们制作狼蹄印的印模,把此作为科学实践课。
2·When they go shopping, she teaches them economics. On holiday in Alaska, they made moulds of a wolf’s pawprint, a “science adventure”.
一次,在阿拉斯加度假,他们制作了狼足印记的模型,用妈妈的话来说,就是一次“科学探险”。