Potamobenthos
河流的底栖有机体
🗣️ 情景例句
No. No bottle opener.
没有 ，没有开瓶器。
I have no choice.
我别无选择。
The self-discipline required to drag myself out of bed eleven minutes earlier than usual was considerable.
这就要求我比平时早11分钟把自己从床上拽起来，这种自我约束是很艰苦的。