Microdeletion
染色体微缺失
🗣️ 情景例句
Ask him to stop by for a talk.
让他过来坐坐，聊聊天。
Too swift arrives as tardy as too slow.
欲速则不达。
In her letter, she said that she would come to England next year.
在信中她说她明年将到英国来。