Irretrievability
不可逆性
🗣️ 情景例句
in every appliance store in Riverdale,
在Riverdale的每一家电器行，
How are you going?Are you going by boat?
你怎样去?坐船去吗？
A burst of activity associated with the laying of submarine cables soon confirmed the Challenger's observation that many parts of the ocean were two to three miles deep,
海洋中很多地方可深达两三英里，