Ectomesenchyme
外胚层间(充)质
🗣️ 情景例句
I'm going to miss her
我会想念她
You've already quoted a price of $ 800 per 1,000. Is there a discount for larger orders?
你报的价是每1000个要美金800元，如大量订购有折扣吗？
It's been open for several years.
它建成已有好几年了。