吃透英语课本，提升在校竞争力
phrase. 抓紧不放；继续；不挂断；坚持
He called, full of joyful excitement, 'hold on!'
他满怀喜悦和兴奋地喊道：“停下！”
But they have a powerful hold on many people nonetheless, a hold extending far beyond their literary content.
尽管如此，它们对许多人有着强大的影响力，这种影响力远远超出了它们的文学内容。
To overcome this, Borlaug worked on breeding wheat with shorter and stronger stalks, which could hold on larger seed heads.
为了克服这个问题，博洛格致力于培育具有更短更强壮茎干的小麦，这样的小麦可以拥有更大的种子头。
Hold on tight during the ride.
坐车时握紧扶手。
