Sepsometer
空气有机质测定计
🗣️ 情景例句
I'm sure everyone will be very happy with these gifts.
相信他们一定会喜欢这些礼物的。
The best man stumbles.
智者千虑，必有一失。
It is also useful for sending pictures, designs, maps and so on.
传真机也可以用来发送图片、地图等。