Cargo worthy
[经] 适于货运
🧩 词语组成解析
🗣️ 情景例句
She is unwilling to participate.
她不愿意参加。
I meet the boy whose aunt is a musician.
我遇到那个男孩的姑妈是音乐家。
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。