Refractometric
a. refractometer的变形
🗣️ 情景例句
The best way to promote your products is through advertising.
推广产品最好的方法就是买广告。
I'm not sure what time I'm coming back.
我不肯定我什么时间回来。
'You see.I've forgotten my key.'
“您瞧，我忘带钥匙了。”