Polyacetylene
聚乙炔
🗣️ 情景例句
With a family in the Bronx.
住在Bronx区的一个家庭 。
Soft fire makes sweet malt.
慢工出细活。
She likes Mike a lot, but she doesn't want to get married so early.
她喜欢迈克，但她不想那么早就结婚。