Separatography
无色化合物的吸附分离
🗣️ 情景例句
Can you assist me in this matter?
这件事您能帮助我吗？
Self-praise is no recommendation.
自我吹嘘，决不可取。
If a citizen's complaint is justified, the Ombudsman will act on his behalf.
如果公民的意见正确，司法特派员便为他伸张正义。