Homoiothermy
保持恆温
🗣️ 情景例句
we'll send you a letter of appointment and can sign a full distributor contract.
我们将给你们送上一份聘书，并签订一份总的销售合同。
Education begins a gentleman, conversation completes him.
人的教养始于教育，成于社交。
What are their jobs?
她们是做什么工作的？