Bidiagraph
[计] 有向偶图
🗣️ 情景例句
What is the charge for that?
那要多少费用？
The target shooting requires the power of concentration.
射击需要集中精神。
for fear the agents of other firms should be able to trace the kind of research they are likely to be undertaking.
他们生怕别的公司的情报人员据此摸到他们可能要从事的某项科研项目。