Plumbous azide
[化] 叠氮化铅
🧩 词语组成解析
a. 亚铅的, 含二价铅的\\n[化] 铅的; 二价铅的
n. [化]叠氮化物
🗣️ 情景例句
the one that Daddy wanted you to wear.
爸爸要你穿的那一套。
Knowledge advances by steps and not by leaps.
知识只能循序渐进，不能跃进。
The early climbers were looking for the easiest way to the top, because the summit was the prize they sought, especially if it and never been attained before.
早期登山者所寻找的是通往山顶的最方便的途径，因为顶峰特别是前人未曾到过的顶峰 -- 才是他们寻求的目标。