Sepsometer
空气有机质测定计
🗣️ 情景例句
If you can't get a cab, give me a call. It's not safe to walk home along at night.
如果你叫不到出租车的话，打电话给我，晚上一人走回家不安全。
A blate cat makes a proud mouse.
猫儿腼腆，老鼠翻天。
Oh, yes, no problem about that.
哦，可以。没问题的。