[rù xué]
（開(kāi)始進(jìn)小學(xué)學(xué)習(xí)） start school
My sister started school at the age of six.
我妹妹6歲入學(xué)。
（開(kāi)始進(jìn)某學(xué)校學(xué)習(xí)） enter a school; enrol; entrance; begin attending a certain school
from entrance to graduation
從入學(xué)到畢業(yè)
The new students will enter school the day after tomorrow.
新生后天入學(xué)。