Firelock
n. 以燧石发火的旧式枪, 燧发枪兵, 明火枪
🗣️ 情景例句
You do. You do. There's a book here.
当然 ，当然。书要出版。
You can't count on the weather being fine.
你不能指望天晴。
But suppose the earth could be covered with sensors spaced one foot apart,
假设地球上可以布满传感器，每个相隔1英尺，