秋海棠的夏天
幼苗
共回答了21个问题采纳率:95.2% 举报
D
“在...状况下”用under,如:
1.under controlled conditions
2.under all conditions
3.under field conditions (factors)
4.rating under working condition
5.rating under working conditions
6.under given conditions
7.under certain condition
8.under difficult conditions
1年前
1