Idiotoxin
变(态反)应原
🗣️ 情景例句
This method should be widely promoted.
这种方法应该推广。
These clothes are very beautiful, but are not of vary good quality.
这些衣服很漂亮，但是质量并不太好。
This is the best material we have to offer.
这是本公司所供应的最好的原料。