upgrade
英['ʌpgreid]美['ʌp'gred]
n.
1.上坡
2.升级；提高品级（或标准）
ad.
1.往山上，上坡
v. [T]
1.使升级；提高；提升
2.以高档货的价格出售（低档货）；提高...的价格
1.上坡
2.升级；提高品级（或标准）
ad.
1.往山上，上坡
v. [T]
1.使升级；提高；提升
2.以高档货的价格出售（低档货）；提高...的价格
形容词：up'grad'able
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- When several offer come in the house owner upgrade the price.
当有几个人要买这栋房子时，房主提高了房价。收藏 - "When you feel stuck in a rut, it is time for you to upgrade your skills."
感觉自己停滞不前的时候就是应该技术更新的时候。收藏 - The effective method is that ectomycorrhizal fungi are introduced just beside the callus of host plant, which can evidently upgrade the growth of the hyphae.
初步研究了一个较好的外生菌根菌菌丝体培养方法,即将宿主的愈伤组织与外生菌根共同培养,可以明显地促进真菌菌丝的萌发和生长。 收藏 - Doubled one’s efforts in a bid to renew product variety and upgrade product quality
加倍努力，力争创新创优收藏 - Effort to upgrade the schools must come from the community
改进学校的努力必须来自该社区收藏
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