Accelerators
n. <物>（粒子）加速器( accelerator的复数形式 ); 加速者; <化>加速剂; <英>（二轮或三轮的小型）摩托车
🗣️ 情景例句
I can't build a fire by rubbing two pieces of wood together.
我总不能靠着磨擦两片木柴来取火吧。
Well, hello, stranger! Have you moved something?
你好，久违了！你是迁居了还是怎么样啦？
For one thing they keep the water clean.
一来，水下植物可以保持水的清洁。