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这条线是红色的。
zhè tiáo xiàn shì hóng sè de。
This line is red.
这根线太长了。
zhè gēn xiàn tài cháng le。
This line is too long.
他连续工作了八个小时
tā lián xù gōng zuò le bā gè xiǎo shí
He worked for eight hours straight.
我在邮局排队。
wǒ zài yóu jú pái duì。
I was standing in line at the post office.