Improvements and extensions
[经] 改良及扩充
🧩 词语组成解析
n. 增加或修改( improvement的复数形式 ); 改进; 改善; 改良
n. 扩展, 扩张;延长(extension的复数)
🗣️ 情景例句
Are you sending it by regular or by speed?
你要寄平信还是快递?
It's a few minutes after two.
两点过几分。
Is this the part that you need?
这是不是你所需要的零件?
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