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
Don't tie it to that old branch. I think it'll break. Tie it to the one on the right.
别把它绑在那根老树枝上。我想它会断的。把它绑在右边的树枝上。
It was the first joy I had known for years.
我豁然开朗了。这是我多年来第一次感到高兴的事了。
With a stopwatch, they counted how many times the bees repeated the dance during one minute.
他们用秒表记录蜜蜂在一分钟内重复舞蹈的次数。