摩天大樓的建筑材料: mortar,stone,brick,iron,steel,concrete,cement 影響摩天大樓建設(shè)的因素: elevator,gravity,light,temperature,wind, earthquake, energy, water 章天大樓的種類: skyscraper, supertall,megatall later on 后來(lái) since then 從那時(shí)起 stand out 突出;引人注目 have to do with...與......有關(guān) in a way 在某種程度上;在某一點(diǎn)上 back and forth 來(lái)回地;反復(fù)地 more and more 越來(lái)越多 protect against 使免受 in the middle of... 在......中間 because of 因?yàn)?由于 what 引導(dǎo)的表語(yǔ)從句，例如: Thats what they called the HomeInsurance Building in Chicago, Illinois, U.S.A. 動(dòng)詞的過(guò)去分詞短語(yǔ)作時(shí)間狀語(yǔ)，例如: Completed in 1930,it wonthe title of“World's Tallest Building.” as引導(dǎo)的時(shí)間狀語(yǔ)從句，例如: As wind moves through theopenings, giant turbines inside the building turn to make energy.
