The equator — the imaginary line around the Earth at 0° latitude that divides the globe into northern and southern hemispheres.
赤道付近の国々は一年中暑い気候が多い。
Countries near the equator often have hot climates year-round.
飛行機は赤道を越えて南半球に入った。
The plane crossed the equator and entered the southern hemisphere.
赤道直下では昼夜の長さがほぼ同じだ。
On the equator, day and night lengths are nearly equal.