Ephemeras
生命極短促之物, 蜉蝣( ephemera的名詞復(fù)數(shù) )
??? 情景例句
Sit down, sit down.
請坐， 請坐。
A strong grip was necessary to hold onto the large dog.
若要牽住大狗，必須用力握住皮帶。
What seems to be the problem.
什么樣的問題呢？