precursor chemicals
易製毒化學品
The discovery of fire was a precursor to the development of civilization.
火的發現是文明發展的先驅。
Poor diet can be a precursor to many health problems.
不良飲食可能是許多健康問題的前兆。
The economic recession was a precursor to widespread unemployment.
經濟衰退是大規模失業的前兆。
The sudden drop in temperature was a precursor to the snowstorm.
氣溫突然下降是暴風雪的前兆。
The artist's early sketches served as precursors to her final masterpiece.
藝術家早期的素描作品是她最終傑作的先驅。
Increased heart rate can be a precursor to a panic attack.
心率增加可能是驚恐發作的前兆。
The first signs of spring are precursors to warmer weather.
春天的第一個跡象是天氣變暖的前兆。
The company's declining profits were a precursor to its eventual bankruptcy.
公司利潤的下降是其最終破產的前兆。
The diplomatic talks were seen as a precursor to potential peace negotiations.
外交談判被視爲潛在和平談判的前兆。
The early success of the team was a precursor to their championship win.
團隊的早期成功是他們奪冠的先兆。
precursor chemicals
易製毒化學品
The discovery of fire was a precursor to the development of civilization.
火的發現是文明發展的先驅。
Poor diet can be a precursor to many health problems.
不良飲食可能是許多健康問題的前兆。
The economic recession was a precursor to widespread unemployment.
經濟衰退是大規模失業的前兆。
The sudden drop in temperature was a precursor to the snowstorm.
氣溫突然下降是暴風雪的前兆。
The artist's early sketches served as precursors to her final masterpiece.
藝術家早期的素描作品是她最終傑作的先驅。
Increased heart rate can be a precursor to a panic attack.
心率增加可能是驚恐發作的前兆。
The first signs of spring are precursors to warmer weather.
春天的第一個跡象是天氣變暖的前兆。
The company's declining profits were a precursor to its eventual bankruptcy.
公司利潤的下降是其最終破產的前兆。
The diplomatic talks were seen as a precursor to potential peace negotiations.
外交談判被視爲潛在和平談判的前兆。
The early success of the team was a precursor to their championship win.
團隊的早期成功是他們奪冠的先兆。
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