earth

earth的音标和读音：
DJ音标发音： [ə:θ]
KK音标发音： [ɜθ]

earth的词性：
n.（名词）

1. The land surface of the world.
地表，陆地：地球的那层陆地表面

2. The softer, friable part of land; soil, especially productive soil.
泥：软且易碎的陆地部分；泥土，尤指肥沃的泥土

3. Often Earth The third planet from the sun, having a sidereal period of revolution about the sun of 365.26 days at a mean distance of approximately 149 million kilometers (92.96 million miles), an axial rotation period of 23 hours 56.07 minutes, an average radius of 6,374 kilometers (3,959 miles), and a mass of approximately 29.11 × 10²⁴ kilograms (13.17 × 10 ²⁴ pounds).
常作 Earth 地球：离太阳第三远的行星，绕太阳转动的恒星周期为365.26天，平均距离大约是1.49亿平方公里(9,296万英里），自转一周的周期为23小时56.07分，平均半径为6,374公里(3,959英里），质量大约是29.11×10²⁴千克(13.17×10 ²⁴英镑）

4. The realm of mortal existence; the temporal world.
人间，俗世：世间凡人凡物居住的地方；凡尘世界

5. The human inhabitants of the world:
人类：在地球上居住的人类：

The earth received the news with joy.
全世界人们都为这消息欢呼

6. Worldly affairs and pursuits.
尘事，俗事：凡人俗事或凡人的物质欲望

7. Everyday life; reality:
日常生活；现实：

was brought back to earth from his daydreams of wealth and fame.
把他从名利梦中拉回到现实

8. The substance of the human body; clay.
人体；肉体：人躯体的物质；肉体

9. The lair of a burrowing animal.
洞穴：穴居动物的洞穴

10. Chiefly British The ground of an electrical circuit.
【多用于英国】 地线，接地：电路的地线

11. Chemistry Any of several metallic oxides, such as alumina or zirconia, that are difficult to reduce and were formerly regarded as elements.
【化学】 难以还原的氧化物：某种金属氧化物，如铝化合物、锌化合物，难以被还原成元素的

earth的词性：
v.（动词）

earth的词性：
v.tr.（及物动词）

12. To cover or heap (plants) with soil for protection.
盖（土）：盖上或在（植物）上堆土以保护

13. To chase (an animal) into an underground hiding place.
追赶入洞穴：将（一动物）追赶至一地下藏身处

earth的词性：
v.intr.（不及物动词）

14. To burrow or hide in the ground. Used of a hunted animal.
躲进地洞：藏身或躲避到地下。用于指被追赶的动物

15. Among all the possibilities:
究竟：包括所有可能性的情况下：

Why on earth did you put on that outfit?
你到底为什么要穿上这套服装?

earth的词源：

16. Middle English erthe
中古英语 erthe

17. from Old English eorthe * see er- ²
源自 古英语 eorthe *参见 er- ²