While doing calculation for the project, the designers____a new solution to a geological problem.
A. fell into
B. stumbled upon
C. set out
D. discovered
While doing calculation for the project, the designers____a new solution to a geological problem.
A. fell into
B. stumbled upon
C. set out
D. discovered
B
【参考译文】 在对工程进行计算时，设计人员碰巧找到了解决地质问题的方法。
VIP截止日期：2024-12-31 11:23:14
←请使用支付宝扫码支付
VIP截止日期：2024-12-31 11:23:14
←请使用微信扫码支付
