“perigean”基本解释
tide[海]近地点潮(指月球运行到近地点附近时潮差随之增大的潮汐)
“perigean”用法和例句
1、A perigean moon occurs when the Moon is closest to the Earth in its orbit.
2、During a perigean tide, the ocean's water level is higher than average due to the Moon's proximity to Earth.