Indexes
n. 指数；索引；标准（index的复数）
🗣️ 情景例句
I know it well.
我非常清楚。
You should wear a sweater, It's cold today.
你应该穿一件毛衣，因为今天很冷。
when H.M.S. Porcupine was put at the disposal of the Royal Society for several cruises,
皇家学会用英国"豪猪号舰艇进行了几次巡航后，