Mesodermal
[医] 中胚层的
🗣️ 情景例句
They always were,
他们过去如此，
Where have you been all this time?
这段时间你跑到哪里去了？
When they were very young, Mr. Green sometimes dressed up in a red coat. But he doesn't do that now.
在他们很小时，有时候格林先生穿上一件红色的外套。但他现在不那么做了。