登录
a person who works in a mine, extracting minerals, coal, or other valuable materials from the earth
矿工, 采矿者
people who are involved in commercial or industrial activities, such as buying, selling, or managing a company
商人, 商业人士
any destruction caused by the nature that results in a great amount of damage or the death of many, such as an earthquake, flood, etc.
自然灾害, 天灾
to be filled with more people or things than is comfortable, safe, or desirable
人满为患, 过度拥挤
the condition of lacking enough money or income to afford basic needs like food, clothing, etc.
贫穷
an area with human population that is smaller than a city and larger than a village
镇, 小镇
an educational institution at the highest level, where we can study for a degree or do research
大学, 高等院校
a building where people who did something illegal, such as stealing, murder, etc., are kept as a punishment
监狱
a large building where sick or injured people receive medical treatment and care
医院, 医务所
related to the study or characteristics of the Earth's surface, including its features, landscapes, and locations
地理的, 地形的
a hole or chamber formed underground naturally by rocks gradually breaking down over time
洞穴, 穴
an area of rock that is high above the ground with a very steep side, often at the edge of the sea
悬崖, cliffs
a naturally raised area of land that is higher than the land around it, often with a round shape
山丘, 小山
a very tall and large natural structure that looks like a huge hill with a pointed top that is often covered in snow
山, 高山
the salt water that covers most of the earth’s surface and surrounds its continents and islands
海
a low area of land between mountains or hills, often with a river flowing through it
山谷
