Contractual usage
[经] 合同惯例
🧩 词语组成解析
a. 契约的\\n[经] 契约的, 契约性的
🗣️ 情景例句
He had a great capacity for learning.
他的学习能力很强。
All of my paycheck disappears so quickly.
我的薪水在不旋踵之间都消失无踪了。
easily obtainable from the lunar rocks in the form of liquid oxygen.
从月球上的岩石中很容易提炼出液态氧，