Headguards
(headguard 的复数) n. 橄榄球员[拳击者]的头盔
🗣️ 情景例句
It's on the house.
这是免费的。
Do you have some post cards?
你有明信片吗？
Moreover, as soon as new knowledge is acquired, it is now turned to practical account.
而且，新知识一旦获得，便得到实际应用。