1.Researchers have come up with a useful tactic to deter seagulls from stealing your picnic sandwiches or making a grab for your French fries.
deter from 阻止
Supporters of the death penalty argue that it would deter criminals from carrying guns
死刑的支持者認為它能阻嚇罪犯攜帶槍支 。
2.Three-quarters of the birds just stood still and looked at the food or flew away.
stand still 站著不動
They told me to stand still and not to turn round.
他們叫我站著不動,不要轉身 。