Linebacks
(lineback 的复数) 背线
🗣️ 情景例句
He'll do anything to avoid getting down to math lessons,
他老是设法想逃避数学，
You'll fall, if you don't take care.
你不专心的话，就会跌倒。
only of metal, which wears away by friction.
而是由金属组成，而金属可以随着磨擦而磨损殆尽。