Extensions
n. 扩展, 扩张；延长（extension的复数）
🗣️ 情景例句
You always know the right thing to say.
你说话得体。
The whole carton is packed with double straps, each corner of the carton consolidated with metal angles.
纸箱外加了两道箍，每个箱角都用金属角加固。
Where does the teacher stand?
老师站在哪里？