كيف تنطق "testa"
word
التعريف
The "testa" is the outer protective layer or seed coat that covers and protects the seed of a plant.
استمع في السياق
Scientists study the testa to understand how plants survive in harsh climates.
The testa protects the seed from harmful conditions.
The testa is often hard and dry.
You can see the brown testa on a peanut seed.