Why didn't they keep right on going with G, H, I, J, K, L, M, N, O, P?
为什么他们不接着写下去呢,按照字母表
耶鲁公开课 - 聆听音乐课程节选
Each DNA molecule in the body contains two long strands of chemical letters, or bases--A, T, C and G--that come together like a twisted ladder (a.k.a. the double helix).
FORBES: Magazine Article
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