tuna-BNC²³⁶²¹³⁺¹ 例句 The pirates' methods remain rudimentary. They use hijacked tuna- fishing boats or local dhows as the mother ship, then launch attacks from skiffs, usually at dawn or dusk. 海盗们的战略还停留在初级：他们使用捕鱼船或者单桅帆船作为其母船，然后通常在拂晓或傍晚时乘坐快艇实施登船袭击。 ecocn