Cerebron
羟脑苷脂
🗣️ 情景例句
I was faced with a new problem.
我面临了新的问题。
I cannot afford two days off a week.
我忙得无法一星期抽出两天休假。
He found it very difficult to get to sleep and he was rather angry with the man upstairs.
他觉得这样很难入睡， 他对楼上的人相当生气。