瓶颈

píngjǐng

HSK 7

瓶颈 — píngjǐng

1. neck of a bottle (literal)

   玻璃瓶的瓶颈很窄。 bōlípíng de píngjǐng hěnzhǎi — The neck of the glass bottle is very narrow.

2. bottleneck; factor or problem that impedes progress

   交通拥堵已成为城市发展的瓶颈。 jiāotōngyōngdǔ yǐ chéngwéi chéngshì fāzhǎn de píngjǐng — Traffic congestion has become a bottleneck for the city's development.