🧩 词语组成解析
n. 武装切换；斗争工具；武器（weapon的复数）
🗣️ 情景例句
International travel involves a lot of waiting around in airports.
经常在机场等候是环球旅行的一部分。
Experience is the best teacher.
经验是良师。
The boy was too nervous to speak.
那男孩紧张得说不出话来。