lead poisoning
collocation铅中毒
Old houses can expose children to lead poisoning from chipped paint.
老房子可能会让儿童因脱落的油漆而面临铅中毒的风险。
铅
先理解核心含义，再看它在真实句子里的用法。
铅
a soft heavy grey metal that is easily melted and shaped; its chemical symbol is Pb
The runner gained an early lead in the race.
这位跑者在比赛中早早取得了领先优势。
一种重而柔软、无弹性的金属元素,具有明亮的蓝色,但易于失去光泽；既可锻又可延展,但韧性较小。易熔,与其他金属形成合金,是焊料和铸字金属的成分。原子序数82,符号Pb(来自拉丁文plumbum)。
A heavy, pliable, inelastic metal element, having a bright, bluish color, but easily tarnished; both malleable and ductile, though with little tenacity. It is easily fusible, forms alloys with other metals, and is an ingredient of solder and type metal. Atomic number 82, symbol Pb (from Latin plumbum).
引导或率领的行为；指引；方向或路线。
The act of leading or conducting; guidance; direction, course
比赛中竞争者的优势
an advantage held by a competitor in a race
附在绳子上的铅锤或铅块,用于测量海洋深度或估算速度(节)。
A plummet or mass of lead attached to a line, used in sounding depth at sea or to estimate velocity in knots.
The detective followed a promising lead in the case.
侦探沿着一条有希望的线索追查案件。
AI contextual example
We need more leads before we can solve the mystery.
在解开谜团之前，我们需要更多线索。
AI contextual example
he took the lead at the last turn
他在最后一个转弯处领先了
WordNet
the children were playing with lead soldiers
孩子们在玩铅制士兵
WordNet
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铅中毒
Old houses can expose children to lead poisoning from chipped paint.
老房子可能会让儿童因脱落的油漆而面临铅中毒的风险。
含铅油漆
Workers must wear masks when removing lead paint.
工人在清除含铅油漆时必须佩戴口罩。
铅管
The old building still has lead pipes in the basement.
这座老建筑的地下室里仍有铅管。
铅矿石
The region was once mined for lead ore.
这个地区曾经开采过铅矿石。
铅围裙
The dentist placed a lead apron over my chest before the X-ray.
拍X光片前，牙医在我胸前放了一条铅围裙。
接触铅；铅暴露
Studies show that lead exposure can harm brain development.
研究表明，接触铅会损害大脑发育。
快点；麻利点
Get the lead out! We're going to be late.
快点！我们要迟到了。
（建议、笑话等）完全不受欢迎，遭到冷遇
My suggestion went down like a lead balloon.
我的建议完全不受欢迎。
装病偷懒，磨洋工
He's always swinging the lead when there's dirty work to do.
有脏活要干的时候，他总是装病偷懒。
快点儿！
We're going to be late — get the lead out!
我们要迟到了——快点儿！
那像铅气球一样彻底失败了。
The comedian's joke went over like a lead balloon.
那位喜剧演员的笑话彻底失败了。
发短 /ɛ/ 音 (如 head, bread)
Use lead naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
铅（lead）读/lɛd/，像中文'累的'：铅块沉重，搬起来很累。别与读/liːd/的'带领'混淆。
语域：neutral 常见场景：化学/材料科学、工业制造（焊料、铸字） 作名词且读作 /lɛd/ 时，通常指金属铅。这是日常和中性的说法，常见于化学、工业和材料相关话题；在正式文献和一般叙述中均适用。
名词，可数，有复数形式 leads。作为'金属铅'时不可数。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY, WORDNET.
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