Air-activated conveyor
[机] 气动运送机
🧩 词语组成解析
air
[ɛə]
n. 天空;气氛;空运;（简单易记的）曲调;
vt.& vi. 晾晒;烘干;播送;广播;
vt. 使房间通风， 透气;
activated
['æktiveitid]
adj. 有活性的;
v. 使活动，起动，触发( activate的过去式和过去分词 );
conveyor
[[kən'veiə]]
n. 搬运者, 传达者, 转让财产者, 输送机, 输送设备\\n[计] 传送机, 传送带
🗣️ 情景例句
She was hired on the spot by the company.
她当场就被那家公司雇用了。
All's fish that comes to his net.
到了网中都是鱼。
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。