Seleniol
胶态硒(治癌)
🗣️ 情景例句
My name is Richard Stewart.
我的名字是Richard Stewart。
You are all skilled and successful salesmen as shown by your records in the field.
从你们在这一领域的业绩来看，你们所有人都是训练有素，事业有成的推销员。
Here is another photograph of the village.
这是我们村庄的另一张照片。