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This structure shows a range, a change over time, or a progression between two points, places, times, or states. It is very useful for describing development or comparisons.
"从新中国第1次火箭发射到第100次发射,历时37年。"
"从跟随到引领,中国航天部分技术创新已踏足“无人区”。"
Use “仅” before a verb phrase to emphasize that something happens in a very small amount of time or with very little resource. It is similar to saying “only” in English.
"近一百次火箭发射仅用1年多!"
"最近100次发射,只用了1年多。"
This pattern expresses a condition: only when the first action is fulfilled can the second result happen. It is a common way to highlight necessity.
"只有自主创新,才能在国际竞争中赢得主动。"
“历时” is used to describe how long an event or process lasted. It is often followed by a duration.
"从新中国第1次火箭发射到第100次发射,历时37年。"
“已” before a verb means “already,” indicating that something has happened or a state has been reached.
"中国航天部分技术创新已踏足“无人区”。"
news
(of the sea etc) surging; tempestuous
emission
committee member
harvest (old)
sequence
(old) residence of a high official
Taiwan pr. [bu4fen4]
rocket
already
too many; in excess
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