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 ...
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 ...
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...
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....