Pholocatalyst
[医] 光催化剂
🗣️ 情景例句
by Robert Frost.
Robert Frost作。
Did you wash this yourself?
你自己亲自洗了这个？
Although Campbell reached a speed of over 304 miles per hour,
尽管坎贝尔达到了每小时超过304英里的速度，