常見例句雙語例句Physical space is often conceived in three linear dimensions, although modern physicistsusually consider it, with time, to be part of the boundless four-dimensional continuum known as spacetime.物理空間往往是設想在三個線性尺寸，雖然現(xiàn)代物理學家通常認爲，隨著時間的推移，將部分無限四維連續(xù)稱爲時空。blog.sina.com.cn 返回 four-dimensional continuum