Stratifying
v. <正, 术>（使）分层, 成层( stratify的现在分词 )
🗣️ 情景例句
He'll do anything to avoid getting down to math lessons,
他老是设法想逃避数学，
He skinned his knee.
他擦破了膝盖的皮。
When he learnt that he would be sent abroad, he returned to the farm and his father hid him until the end of the war.
当他了解自己将被派遣出国时，他逃回农场，父亲把他藏了起来，直到战争结束。