一顆有著長週期軌道的伴星會使其他天體從它們正常的軌道中偏轉,並使其中一些以流星的形式落在地球上,導致的巨大沖擊會造成廣泛的破壞。
2。 Wind motion in the mesosphere could be observed by watching the trails of meteors passing through it。 透過觀察流星穿過時留下的痕跡,可以觀測到中間層風的運動。
meteorite['mi:ti?rait]n。 隕石
搭配 martian meteorite 火星隕石
例句 1。 All these various constituents bind together to form chondritic meteorites that have the chemical positions much like that of the Sun。 這些多種多樣的成分凝固在一起構成粒狀隕石,其化學成分和太陽十分相似。
2。 Just as its name suggests; almost all iron meteorites are entirely consisted of metal。 正如其名稱所表示的,幾乎全部的鐵隕星都是由金屬構成的。
microscopic[?maikr?'skɑ:pik]a。 用顯微鏡可見的;極小的
搭配 microscopic plant 微生植物;microscopic structure 顯微結構
例句 Even now; microscopic meteorites constantly hit the Earth; falling on both land and sea at last。 即便是在今天,也不斷有微型隕石撞擊地球,最後落在地面上或者海里。
mine[main]n。 礦;地雷 v。 採礦;在…佈雷
例句 The panies construct canals to transport coal and need surveyors to help them find the coal deposits that are worthy of mining; as well as determine the best courses for the channels。 這些公司建造運河來運煤,因此需要測量員來幫助他們找到值得開採的煤炭沉積位置,並決定運河流經的最佳路線。
派生 mining(n。 採礦)
mineral['min?r?l]n。 礦物,礦石 a。 礦物的,礦質的
搭配 mineral crystal 礦物晶體
例句 1。 The researches have shown that certain minerals are required for the normal growth and development of the plants。 研究顯示,一些特定的礦物對植物的正常生長發育是必需的。
2。 The mineral content in groundwater monly increases with depth; but even quite shalloight be highly saline。 地下水中的礦物質含量隨著深度增加,但即便是淺含水土層也可能含有較高的鹽分。
mud[m?d]n。 泥,泥漿
搭配 volcanic mud 火山泥
例句 1。 The remains of microscopic organism turned into petroleum once they were buried under mud。 一旦微生物被埋藏在泥土中,它的殘骸就會變成石油。
2。 Microscopic organisms settle to the seafloor and accumulate in marine mud; thus marine s