DNA and RNA are made of nucleotides. Each unit is a three-part molecule with a phosphate at one end, a sugar in the middle and a variable nucleobase at the other end.
DNA和RNA都是由核苷酸构成，每一单元为由三部分组成的分子，一端是磷酸盐，中部是一种糖，另一端是碱基。
Generally, a ratio of two parts sugar to one part water is used.
一般而言，比率是两份食用糖比一份水。
Whether it's a hot summer's day, part of a meal deal, you just want a sugar fix, knocking back a fizzy drink is no doubt one of the worst habits of the modern world.
无论是炎热的夏天，一顿饭，你只想要一点糖分补充，喝汽水无疑是当今世界最严重的习惯之一。
Whether it's a hot summer's day, part of a meal deal, you just want a sugar fix, knocking back a fizzy drink is no doubt one of the worst habits of the modern world.
无论是炎热的夏天，一顿饭，你只想要一点糖分补充，喝汽水无疑是当今世界最严重的习惯之一。
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