Polymer catalyst
[化] 高分子催化剂
🧩 词语组成解析
🗣️ 情景例句
She doesn't know we've changed hotels.
她不知道我们换了旅馆呀。
Revolutions are not made with rose water.
革命不是绣花。
It was at Charlie's wedding. You were playing the piano.
那是在查理的婚礼上，你在弹钢琴。