🧩 词语组成解析
traffic
['træfɪk]
n. 交通，运输量;（非法的）交易;通信量;交际;
vt. 用…作交换;在…通行;
vi. 交易;买卖;
🗣️ 情景例句
I'd like to set up a doctor's appointment as soon as possible.
我想尽快预约门诊。
Foam plastics are applied to protect the goods against press.
泡沫塑料用来防止挤压。
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。