earth's crust

ریشه

Derived from the Old English 'eorthe' meaning 'ground, soil, dry land', and 'crust' from Latin 'crusta' meaning 'hard shell or surface layer'.

مثال

• The Earth's crust is composed mainly of rock.
• Volcanic activity is caused by movements in the Earth's crust.
• The Earth's crust is thinner under the oceans than it is on the continents.

ترکیب‌های رایج

Thin Earth's crust Thick Earth's crust Earth's crust movement Earth's crust layer