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
Let me see this agreement, this promise of Antonio to you.
让我看一看借约，就是安东尼奥向你许下的诺言。
The situation seemed hopeless and he knew his life was in danger.
这种情况看来是毫无希望了，他知道他有生命危险。
It repeated these circles over and over again.
它首先向右飞一个圆圈，然后向左飞一个圆圈。