Waiters glide between tightly packed tables bearing trays of pasta.侍者们端着一盘盘意大利面在拥挤的餐桌之间自如穿行。We stood in silence watching the snake glide effortlessly.我们噤若寒蝉地站着,眼看那条蛇逍遥自在地游来游去.So graceful was the ballerina that she just s...
Limestone is often used in building construction.石灰岩常用于建筑.Cement is made from limestone.水泥是由石灰石制成的.The limestone is sufficiently fissured for tree roots to have breached the roof of the cave.石灰岩上有许多缝隙，故而树根能从岩洞顶部长出来。...