Apaf
[医] 抗恶性贫血因素
🗣️ 情景例句
That's a good sign.
这是个好兆头。
He insisted that we all be in his office at one o'clock.
他要求大家一点钟到他的办公室。[大学英语四级]
the famous clock which can be heard all over the world on the B.B.C.
即那座从英国广播公司的广播中全世界都可以听到它的声音的著名大钟。