Because of this coding relationship, triplet of bases is called a codon.由于这种编码关系, 碱基的三联体被称为密码子.The tail feathers are dark blue at their bases, shading to pale blue at their tips.尾羽的根部呈深蓝色，到了尾尖就渐变成淡蓝色。The two hotel-restau...
I was scared stiff when I realized what I'ddone.当我意识到自己的所作所为时，我吓坏了。Whisk the egg whites until they are foamy but not stiff.把蛋清搅至起沫而不黏稠的程度。The outer walls looked likely to tumble down in a stiff wind.外墙看起来一刮强风就会倒塌。...
Providing they do not panic, I believe that their chances of survival will be beyond 95 per cent.如果他们不慌乱，我相信他们生还的概率将在95%以上。There is a thin dividing line between educating the public and creating a predisposition to panic...