Microdeletion
染色体微缺失
🗣️ 情景例句
Can you tell me how to get to the railroad station?
你能告诉我怎样去火车站吗？
The world is a ladder for some to go up and some down.
人间犹如一架梯，有人缘梯上升，有人顺梯下降。
If you think it is necessary.
如果你认为有这必要的话。