spar 在英語中是什麼意思?與 Lingoland 一起探索這個詞的含義、發音及具體用法
實戰訓練, 爭論
to fight with someone, especially as a practice or warm-up for a real fight
桅杆, 桁
a thick, strong pole, such as a mast or yard on a ship
晶石, 礦物
a mineral, typically a transparent or translucent one, with a noticeable cleavage