Otd
[医] 器官耐受量(放射量)
🗣️ 情景例句
Please don't do it without asking.
未经允许请不要那么做。
She always feels comfortable when surrounded by her family.
她被家人围绕时，常感到快慰。
but ten months later, she received a letter from a girl in Holland.
但10个月以后，她收到了荷兰一位姑娘的来信。