Ziegler catalyst
[化] 齐格勒催化剂
🧩 词语组成解析
n. 齐格勒（德语人名）；捷格罗白葡萄酒
🗣️ 情景例句
Hi.
嗨。
How wide is this bridge?
这座桥有多宽？
Clusters of tin insects called aphids were to be found on the underside of the leaves.
结果在树叶背面找到成串的叫作蚜虫小虫子。