４年生(Eネイティブ)理科
Natural Sciences and Technology Grade 4-A
Chapter 5. Structures for animal shelters p.97
構造関係についての重要単語がさりげなくぎっしり詰まっていて驚きます。
and/orも使われていて驚愕
Shell and frame structures
Shell structures mainly contain and/or protect the contents. A bird's egg protects the little chick growing inside it. A car gives some protection to its passengers. A pot holds the food inside it.
A frame structure gives support. There is a frame structure inside your body! Your skeleton supports your body! Your knees and elbows are places where the bones join.
A frame structure must carry a load in the right places without it collapsing or falling over.
Frames are made of members and joins. The members are the long parts and the joins are where the long parts come together. Sometimes longer tubes can be joined to make triangles. The tubes are called the members. Where the tubes come together that is called the join.
"member"が日本語の何に相当するかご存じですか
(下のskeltonはこの教科書からの引用ではありません)
