Laetanine
四氢二甲氧基二苯并喹啉二醇
🗣️ 情景例句
Oh, the usual problems.
还不是那些老问题。
The cat and dog may kiss, yet are none the better.
猫犬可相吻，莫逆却难成。
Such a messenger, receiving our radio and television signals,
这种自动化信息装置，在接收到我们的无线电和电视信号后，