Hololens
[计] 全息透镜
🗣️ 情景例句
The girls learned a great deal.
女孩们学到了许多东西。
If y ou lose your job I'll lose mine, so we're in the same boat.
如果你失去工作，我也会失去的，所以我们处境相同。
and we have only to turn to that extraordinary discovery of echo-location in bats to see a case in which the voice plays a strictly utilitarian role.
我们只要看一看蝙蝠回声定位这一极不寻常的发现，就可以探究一下声音在什么情况下有绝对的实用价值。