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 Percocet
Emerging infectious diseases. Scientists puzzle over Ebola-Reston virus in pigs
Scientists Puzzle over Ebola-Reston Virus in Pigs
A puzzle over several decades: eye anomalies with FRAS1 and STRA6 mutations in the same family
A puzzle over several decades: eye anomalies with FRAS1 and STRA6 mutations in the same family
Atmospheric scientists puzzle over high-altitude flashes
Researchers puzzle over origin of type 2 diabetes.
Scientists Puzzle Over Ancient Ossuary - The Scientist - Magazine of the Life Sciences
A puzzle over the high frequency switching mode power supply
French doctors puzzle over gene ownership