外教教你学单词 accuracy 准确。
accuracy means how correct, or not far from the exact,accuracy.
for example, many people in China speak English with very good accuracy.
外教教你学单词 accumulate 积累。
means to get more and more of.
for example, many people in China are now trying to accumulate money, or accumulate wealth.
外教教你学单词 account 帐户。
an account is business you do with ,for example a bank.
I have no bank account,or I have a lot of money in my bank account.
外教教你学单词 accurate 准确的。
something that is not far from perfect.
your answer to a question must be very very accurate.