Prenex
[计] 前束的
🗣️ 情景例句
Oh, and Grandpa's baseball glove.
噢， 还有爷爷的棒球手套。
The milk in the refrigerator has begun to turn sour.
冰箱里的牛奶开始腐败了。
Now she's holding it for Jim. Jim is climbing up the ladder.
现在她在给吉姆扶着梯子。吉姆正在爬上梯子。