Pott
n. 375×312mm纸张
🗣️ 情景例句
for my six o'clock appointment with Mr. Ozawa.
参加六点钟与Ozawa先生的约见。
The usher showed us to our seats.
领座员领我们到我们的位子。
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，