🗣️ 情景例句
When will you be through with your homework?
你的家庭作业什么时候可以做完？
You don't need to interrupt!
不用你插嘴！
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。