Megumi@Ibaraki
"to form a single file line"
What does the "file" mean in this expression?
2015年11月7日 03:28
解答 · 4
1
file doesn't add much to this sentence, but single-file is a fix expression implying that the people are lined up one behind the other. a line where the people are standing side-by-side would likely not be described as single-file.
2015年11月7日
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