Eucalanus
真哲水蚤属
🗣️ 情景例句
The new students seem to be shaping up quite nicely.
新生们看来表现得相当不错。
Who's the second?
下一位是谁？
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。