Holothuroidea
海参纲
🗣️ 情景例句
If you cannot make a counter offer, then I'm afraid we can't make a deal.
如果你不还价的话，恐怕我们无法交易。
Believe not all that you see nor half what you hear.
眼见的不能全信，耳闻的也不能半信。
He began to catch up with the others.
他开始赶上其他人。