Retinaldehyde
视黄醛
🗣️ 情景例句
and I'm real exhausted.
我实在是精疲力竭了。
I'm so scared.
我怕极了。
Settlers made agreements with Native American cheifs but always broke them afterwards.
殖民者同美洲土著人的首领达成了协议，但是这些协议随后总是被撕毁。