Catalyst volume
[建] 催化剂体积
🧩 词语组成解析
🗣️ 情景例句
No news is good news.
没消息就是好消息。
Let difficulties occur but not the loss of courage.
纵使困难重重，也不丧失勇气。
The use of gloves was not introduced until 1860, when the Marquis of Queensberry drew up the first set of rules.
1860年昆斯伯里侯爵第一次为拳击比赛制定了规则，拳击比赛这才用上了手套。