That's an hour or two each time.
每次可能都得花上一到两个小时的时间。
我们每人得到两个。
We need to submit two each additional samples for QC approval.
我们需要每种样品再增加两个，以供质量控制部门确认。
Section B has FOUR questions; answer TWO. Each question is worth 25 marks.
部分包括四道问题；任选两道作答。每道题25分。
Section B has FOUR questions; answer TWO. Each question is worth 25 marks.
部分包括四道问题；任选两道作答。每道题25分。
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