Protocotoin
[化] 原可土树皮素; 原可土因
🗣️ 情景例句
How much do I owe you?
我应付你多少钱？
Will you please measure this window to see how wide it is?
请您测量这扇窗户看它有多宽？
You can print the telephone number of your information service in the newspaper.
你可以把你的问讯服务的电话号码登在报纸上。