tree

tree — noun

1. A large plant with one thick woody stem, called a trunk, and a spreading top of

1.名詞A1
釋義

A large plant with one thick woody stem, called a trunk, and a spreading top of branches covered in leaves.

例句

Sahil planted an apple tree in his back garden last spring.

The old oak tree beside the school playground has stood for over a hundred years.

同義詞
  • plant

    much broader category — a tree is a type of plant, but most plants are not trees

  • sapling

    a young tree with a thin trunk, not yet fully grown

  • shrub

    smaller than a tree, with several thin woody stems instead of one trunk

常見錯誤

There are many trees on the park.
There are many trees in the park.
💡Use 'in' (inside an area), not 'on', when saying where trees are located.

2. A tall plant that looks like a tree and is commonly called one, but does not hav

2.名詞B1
釋義

A tall plant that looks like a tree and is commonly called one, but does not have a true woody trunk — for example, a palm tree or a banana tree.

例句

Palm trees grow well along the coast of southern Taiwan.

Banana plants are not true trees, but people call them trees because of their height.

botanical distinction: tree-like but without woody trunk

同義詞
  • palm

    a specific type of arborescent plant, not a general synonym

用法筆記

Trees in this sense include palms, banana plants, and tree ferns — plants that reach tree-like height but have soft or non-woody stems instead of a hard trunk.

3. A diagram with one starting point and lines that branch out into smaller parts,

3.名詞B2
釋義

A diagram with one starting point and lines that branch out into smaller parts, used to show how things are related or organised — for instance, a family tree showing relatives, or a decision tree used in computing or business.

例句

The teacher drew a family tree on the board to show how everyone is related.

collocation: family tree

In computer science class, Justin learned to create a parse tree for a simple sentence.

domain: computer science — parse tree

同義詞
  • diagram

    a broader category — all trees are diagrams, but not all diagrams are trees

  • chart

    a visual display of information, less specific about branching structure

用法筆記

Common in computing (parse tree, decision tree) and genealogy (family tree). The diagram always has a single root that splits into connected branches.

常見錯誤

I drew a tree to show my family.
I drew a family tree to show my relatives.
💡Without 'family' or another qualifier, 'tree' alone refers to the plant, not the diagram.

tree — verb