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
📖 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
obtain
vt. 获得,得到;流行;买到,达到(目的);
vi. 通行,通用;流行;存在;
percent
n. 百分比,百分数;百分之一;
adj. 百分之…的,每一百中有…的;百分之…支付利息的;
adv. 以百分之…地,每一百中有…地;
efficient
adj. 有效率的;(直接)生效的;能干的;(因省钱、省时或省力等而)收效大的;
perfect
adj. 完美的;正确的;优秀的;极好的;
n. [语]完成时;
train
n. 火车;行列;一系列相关的事情; 拖裾;
v. 训练;教育;培养;修整;
bird
n. 鸟,禽;<俚>少女,姑娘,人,家伙,东西;<口>飞机,火箭,导弹;
vi. 观察和辨认鸟;捕鸟,打鸟;
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🗣️ 情景例句
There's something wrong with my left shoulder. I hurt it while I was doing gym. I've got a pain here too.
我的左肩疼痛。我做体操时受伤了。这里也疼。
What is more, this information line operates 24 hours a day.
而且,这种"问讯线路每天工作24小时。
I had several photographs of Clare Flower, and I picked out one interesting photograph of Clare aged twelve in an art class at school.
我有几张克莱尔·弗劳尔的照片,挑出了一张克莱尔12岁时在学校假期艺术课上拍的很有趣的照片。"
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📊 同为初级词汇
ridge
n. 背脊,峰,隆起线;山脊,山脉,海脊;高压脊;皱摺,田埂;
vt. 使成脊状,使隆起;
vi. 使成脊状;
lap
vt. 折叠;包裹,缠绕;使搭接;磨亮,磨平;
vi. 折叠;部分重叠;舔;包围;
n. 膝;下摆;一圈跑道;范围;
leaf
n. 叶子;页;叶状的结构;金属薄片;
vt.& vi. 翻书(报);
vi. 生叶;
here's
abbr. (=here is. Here's to you)! 干杯\\n
princess
n. 公主;王妃(王族女性成员);女巨头,女名家;<古>女王;
allied
adj. 同盟的,同盟国的;联合的;姻亲的;同源的,类似的;
v. 联合(ally的过去分词);
cling
vi. 附着于,紧贴;抓紧或抱住;坚持;沿(岸)前进,贴着(墙)走;
vt. 依恋,依附于;
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