Kerasol
四碘酚酞
🗣️ 情景例句
He is not up to the job.
他不能胜任这个工作。
The building of the new road has been held up by bad weather.
这条新马路的修筑因天气恶劣而受阻。
Some of the bigger firms are engaged in researches which are of such general and fundamental nature that it is a positive advantage to them not to keep them secret.
某些大公司进行的研究属于一般和基础性的研究。因此不保密对他们才有利。