Oscillating feeder
[化] 往复式给料机
🧩 词语组成解析
[计] 振荡的
feeder
['fi:də]
n. 支流，支线;进料器;供给装置;饲养员;
🗣️ 情景例句
What classes are mandatory for your major?
你的专业什么课是必修的？
Two blacks do not make a white.
两个乌黑不等于一个清白。
This is because they had no natural enemies until the arrival of humans and therefore did not need to develop flying wings.
这是因为人类到达这里之前，这些鸟没有天敌，因此，它们不需要发育飞行的翅膀。