Tabid
a. 衰弱的, 憔粹的
🗣️ 情景例句
How's your son getting on with his English?
你儿子的英语学得好吗？
The two parties involved in a contract have the obligation to execute the contract.
合同双方有义务履行合同。
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。