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[医][=periaqueductal gray stimulation]导水管周围灰质刺激，兴奋作用
🗣️ 情景例句
You won't believe it, Grandpa,
你绝不会相信， 爷爷，
If nobody loves you, be sure it is your own fault.
如果没有人爱你，肯定是你自己有问题。
I don't think so. We just have to trust our manager.
我想帮不上吧。我们只能相信经理了。