it's not alweys necessary to look up the words()the dictionary while reading.AonBinCatDfrom

it's not alweys necessary to look up the words()the dictionary while reading.AonBinCatDfrom
it's not alweys necessary to look up the words()the dictionary while reading.AonBinCatDfrom

it's not alweys necessary to look up the words()the dictionary while reading.AonBinCatDfrom
B,我昨天刚做了.

from

填in
翻译：在阅读时没有必要总是在字典中找生词

我觉得也是in