Ssfs
[医]Single Slice Flow Study
🗣️ 情景例句
They're real watches. They tell you the time, don't they?
当然是"真的表"罗。会走也会报时，不是吗？
It's wonderful! It's terrific!
棒极了。
He say he's just arrived in Scotland. He says he's staying at a Youth Hostel.You know he's a member of the Y.H.A.
他说他刚到苏格兰。他说他住在一家青年招待所。你知道，他是“青招协”的一个成员。