đá bảng

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The Vietnamese word "đá bảng" refers to "slate," which is a type of rock that is often used in various applications, such as roofing, flooring, or even as a writing surface (like chalkboards).

Explanation:

1. Basic Meaning:

   • "Đá bảng" literally translates to "slate" in English. It is a fine-grained metamorphic rock that can be split into thin sheets. In the past, slate was commonly used for writing boards, especially in classrooms.

2. Usage Instructions:

   • You can use "đá bảng" when talking about building materials, or when referring to traditional writing surfaces in educational contexts.

3. Example:

   • "Trường học của tôi vẫn còn sử dụng đá bảng cho bảng viết."
   • (My school still uses slate for the writing board.)

Advanced Usage:

• "Đá bảng" can also refer to items made from slate, such as slate tiles or decorative items. In a more metaphorical sense, it can be used to discuss the idea of starting fresh or having a clean slate.

Word Variants:

• There are no direct variants of "đá bảng," but related terms include:
  • "bảng" (board) - Can refer to any board used for writing or displaying information.
  • "đá" (stone) - Refers to stone in general.

Different Meanings:

• While "đá bảng" primarily refers to slate, it can also be used in a broader metaphorical sense to refer to a fresh start or a new beginning, akin to having a "clean slate."

Synonyms:

• "Đá phiến" - This term can also refer to slate, though it may be less common.
• "Bảng viết" - Directly translates to "writing board," which can refer to similar surfaces.

Academic

1. Slate