Many aqueducts from ancient Roman times still stand today near the Mediterranean Sea.许多古罗马时代的引水渠至今还保留在地中海附近....a nationwide system of aqueducts to carry water to the arid parts of this country.将水输送到该国干旱地区的全国性导水系统Central ...
The citadel was solid.城堡是坚固的.The business is no longer regarded as a citadel of commerce.该行业不再被视为贸易的堡垒。He died for Germany in the gigantic and futile operation called Citadel.他在被称为“城堡”行动的一次大规模的劳而无功的战役中阵亡....
I wound up the watch and listened to it tick.我给表上紧发条，听着它嘀嗒作响。He nodded and puffed on a stubby pipe as he listened.他边听边点头，还吸着一支粗短的烟斗。She always listened earnestly as if this might help her to understand.她总是很认真地听，就好像这能帮助她弄...
A sprayer hooked to a tractor can spray five gallons onto ten acres...用拖拉机牵引的喷雾器可以将 5 加仑药水喷洒在 10 英亩田地上。A cow will yield several gallons of milk each day.一头母牛每天产几加仑的牛奶.A sprayer hooked to a tractor can spray five gallons ...