Strongyloidea
圆线虫总科
🗣️ 情景例句
Who was it?
谁来的电话
It does appear that way.
是的，看起来好象是这样的。
In man's early days, competition with other creatures must have been critical.
在人类早期，人类与其他生物的竞争一定是必不可少的。