双语例句
- I saw him puzzle over an arithmetic problem.
我看见他正在苦心思索一道算术题。
权威例句
What Medication Can I Take To Equal 30 Mg Of PercocetEmerging infectious diseases. Scientists puzzle over Ebola-Reston virus in pigsScientists Puzzle over Ebola-Reston Virus in PigsA puzzle over several decades: eye anomalies with FRAS1 and STRA6 mutations in the same familyA puzzle over several decades: eye anomalies with FRAS1 and STRA6 mutations in the same familyAtmospheric scientists puzzle over high-altitude flashesResearchers puzzle over origin of type 2 diabetes.Scientists Puzzle Over Ancient Ossuary - The Scientist - Magazine of the Life SciencesA puzzle over the high frequency switching mode power supplyFrench doctors puzzle over gene ownership
