Ion accelerator
[電] 離子加速器
?? 詞語組成解析
ion
['ai?n]
n. <物>離子;
accelerator
[?k'sel?reit?]
n. 加速器;催速劑;
??? 情景例句
Right.
是的。
Fear is often greater than the danger.
杞人憂天。
No, they aren't. They're on the floor.
不，不在。它們在地上。