Usful capacity
[化] 有效容积
🧩 词语组成解析
a. 有用的, 实用的
🗣️ 情景例句
Congratulations!
恭喜你
Procrastination is the thief of time.
拖延即浪费时间。
As soon as he had finished, Jenny told him she wanted to go home.
他刚一讲完，珍妮就对他说她要回家。