Activatory
活化的
??? 情景例句
Good-bye.
再見。
What is learnt in the cradle lasts (or is carried) to the grave.
小時(shí)學(xué)會的事情到老不會忘記。
and if a single curved glass would distort nature, how much more would a pair of them?
何況一片曲面鏡就可歪曲自然，那么伽利略的兩片曲面鏡對自然的歪曲又該多大呢？