annual ring
معنی و تعریف
۱.
اسم
تعریف:
تشکیل سالانه چوب در گیاهان هنگام رشد
an annual formation of wood in plants as they grow
مترادفها:
مثالها:
- The tree's annual ring showed that it had experienced a drought ten years ago.
- By counting the annual rings, the botanist determined the age of the ancient oak.