例文
- It was too early to tell if the issues would become stumbling blocks or were the normal probing and give-and-take that go on during negotiations.
- Comets have a tiny gravitational field because their nuclei are only tens of kilometers across, so a normal probe would have to latch onto the comet.
- You should normally exclude robots, plus as well as the normal probes for weaknesses every so often sites get some hacker trying out all sorts of stupid things on it.
