Polyolefin acid
[化] 聚烯酸
🧩 词语组成解析
n. [化]聚烯烃
🗣️ 情景例句
The bad news hit everyone hard.
恶耗使每个人都受到了沉重打击。
In case of fire, keep your head.
万一发生火灾，保持镇定。
The sandwiches were on the plates, and the candles were on the cake. Ann felt very happy.
三明治在碟子里，蜡烛插在蛋糕上。安觉得很愉快。