发起提问 · 2024-04-23 14:43 老师您好，想请教您 关于…worth it, 后面it的用法，到底是指前面提到的事物，还是虚设的宾语，没有实际含义？

购买年费会员 · 2024-04-09 15:27

鲜花充值 · 2024-04-09 15:18

发起提问 · 2023-03-22 21:19 China first had to put a satellite in orbit above the moon in a spot where it could send signals to the spacecraft and to Earth

购买年费会员 · 2023-03-22 20:23

鲜花充值 · 2023-03-22 20:23

鲜花充值 · 2023-03-22 20:19