Dipel
苏云金杆菌
🗣️ 情景例句
lots of things to do.
许多事情要做。
I think it's a reasonable price.
我觉得这是个合理的价钱。
the main complicating facts of human life must remain unintelligible.
我们才能明白人类生活中主要的复杂现象。