Bak
[计] 后备
🗣️ 情景例句
We'd like to discuss a mortgage.
我们想请教一下贷款的事。
He has not come in yet.
他还没有来。
Neither of us realized that night that these carvings and paintings dated back 15,000 years,
我们没有意识到这些刻画追溯到15，000年前，