Ultrathene
乙烯-醋酸乙烯共聚物
🗣️ 情景例句
Dad, growing up means
爸爸， 长大了意味着
And go out into the open to watch all kinds of fireworks glittering everywhere in the dark sky.
到外面去看夜空中绚烂多彩的焰火。
On motorways you can, at least, travel fairly safely at high speeds,
在公路上还好，你至少能以相当快的速度安全地向前行。