Reclosing
[电] 复闭
🗣️ 情景例句
by Robert Frost.
Robert Frost作。
I didn't read the whole paper, front page.
我没有看到报纸的全部，我只是大概看了头版。
Ethanol is more effective at a concentration of 50-70 percent;
乙醇的浓度为50％至70％时比较有效，