Tfx
[医][=thymic factor x]胸腺因子x
🗣️ 情景例句
All I do is study and take exams.
我要接受所有的学习和考试。
Reading makes a full man.
读书长见识。
since ground stations and satellites cannot see everywhere.
因为地面工作站和卫星不可能看到地球上的每一个地方。