Trichechiformes
海牛形亚目
🗣️ 情景例句
If you've been with someone for this length of time you'll have to ask yourself what reservations have I got?
如果你和某人生活了这么长时间，你得问一下自己，你对这段婚姻满意吗？
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。
Can you tell me why our bid was not accepted?
请告诉我为什么我们没有得标好吗？