原来的居民可能会认不出这个崭新的城镇了。The new town would have been unrecognisable to the original inhabitants.实际上我认识她,但是我身着工作服,与她擦身而过的时候却没被认出来。I actually knew her, but in overalls I passed unrecognised.再怎样跟他讲道理都不能让他放弃自己认准的事。No amount of r...
从亚细胞部分制备RNA,可使专一的mRNA序列的丰度提高.Specific mRNA sequences can be enriched for by preparing the RNA from subcellular fractions.土壤生态系统中水分和养分的丰度和有效性决定土壤的肥力.The abundance and availability of water and nutrients in a soil ecosyste...