Quadrupling
[计] 四倍
🗣️ 情景例句
Hi, Carl.
嗨， Carl。
I strongly recommend this product.
我强力推荐这种产品。
They had just had enough time to swim out of danger when the boat again completed a circle.
他们刚刚来得及游出危险区，快艇就又转完了一圈。