Astm
[化] 美国材料试验学会
🗣️ 情景例句
In face, Australia is the only country that is also a continent.
事实上，澳大利亚是唯一作为洲的国家。
I'm calling to say goodbye.
我大电话向你告别来了。
Would you help me with the report?
你愿意帮我写报告吗？