基本解释皮西亞斯(公元前三世紀的古希臘航海家、地理學家)同根派生 Pytheas相关词英汉例句Pytheas claimed that Thule was six days north of Britain, and that the midsummer sun never set there.皮西亞斯聲稱北極之地離英國北部有六天時間的距離，仲夏的太陽從不在那裡下山。Pytheas更多例句