Ammoniometer
[机] 氨量计
🗣️ 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。
If I went with you,I'd have to be back by six o'clock
如果我与你一起去了，我将不得不在6点钟回来。
Oh, dear! said Miss Yang. Are you sure you've lost it?
“哎呀！”杨小姐说，“你肯定你弄丢了？”