Pyrimidines
(pyrimidine 的复数) n. 嘧啶\\n[化] 嘧啶
🗣️ 情景例句
and I've been trying to find just the right thing for her.
而我一直在为她找件合适的东西。
Once bitten, twice shy.
一次被咬，下次胆小。
The situation seemed hopeless and he knew his life was in danger.
这种情况看来是毫无希望了，他知道他有生命危险。