Actinidine
猕猴桃碱
🗣️ 情景例句
And I'm planning to get a job for the summer.
我想在暑假打工。
We've got to report back to the head office.
我们还要回去向总部汇报情况呢。
and mechanical systems like a wound watch, or the sun,
像上紧发条的手表那样的机械装置，或太阳，