1. The sword gleamed as it caught the light, the sharp blade ready for battle.(剑光闪闪,利刃犹如战斗的利箭。)
2. He is using a sharp blade to cut through the thick branches.(他正在用锋利的刀片剪断粗壮的树枝。)
3. The helicopter blades whirred as it took off from the helipad.(直升机从停机坪起飞时,叶片嗡嗡作响。)