Wachs
(wach 的第三人称 -s形式) abbr. 西非票据交换所（West African Clearing House）
🗣️ 情景例句
Is he still with IBM?
他还在IBM工作吗？
I was at home all afternoon.
我整个下午在家。
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。