3.That is, he might be able to prevent, or “estop,” you from using that argument as a defense, because of his reliance on your actions.
也就是说,他也许能“禁止(你)”,防止你利用这场争端作为防卫,由于他对你行为的。
4.An average summer output in excess of 900 kg . liveweight per ha. could not have been obtained if there had been a complete reliance on clover nitrogen.