Ectosymbiont
[生态]外共生体
🗣️ 情景例句
He has a strong will.
他意志坚强。
Where are the stairs?
楼梯在哪里呢？
All the thing I had packed so carefully were soon in a dreadful mess.
所有细心包装好的东西一会儿工夫就乱成一团。