Limestone
[ 'laɪmston ]
第2级
其它 Other
n. 石灰岩，石灰石;
💡 词根助记
lime石灰+stone石头 → 石灰石
📝 例句
Caves form when water infiltrates limestone.
水渗透石灰石则形成洞穴。
Iron is extracted from iron ore by heating the ore with coke and limestone.
铁是通过用焦碳和石灰石加热铁矿石而提炼出来的。
Calcitic limestone is mainly CaCo 3 with relatively small amounts of impurities.
方解石灰岩，主要是由CaCo 3和少量的杂质所形成。
The answer is the same if the limestone overlays the sandstone.
当灰岩盖在砂岩上时，系数是相同的。
They were quarrying limestone.
他们在开采石灰石。
🌱 联想助记
【记】lime-石灰,stone-石头:石灰石
✅ 同义词
📖 牛津释义
limestone
n [U] type of rock, eg chalk, composed esp of the remains of prehistoric plants and animals 石灰岩.
📖 同为「CET-6」词汇
查看全部CET-6词汇 ›🗣️ 情景例句
The building of skyscrapers in New York began around the year 1900.
在1900年左右，摩天楼开始在纽约兴建。
He was just able to lie down on the ground, but could not stand up.
他只能躺在地上，但不能站起来。
He read many books and paused in his work at six every evening for prayers, even when he was with other world leaders.
他阅读很多的书，每天傍晚六点钟，他就要暂时停下工作去做祈祷，甚至与世界上别的领袖在一起时也这样。