Extender
[计] 扩展器, 延长器, 扩充部件\\n[化] 补充剂; 填料
🗣️ 情景例句
Where's the 'Lost and Found' counter?
失物招领处在哪儿？
I got my bicycle repaired.
我修好了脚踏车。
he identifies himself with its centre of gravity, its mass, its weight;
他把自身和物体重心、质量、重量融为一体。