Systematics
n. 分类学\\n[计] 分类学, 系统学
✅ 同义词
🗣️ 情景例句
It'll only take a few minutes.
只要几分钟时间。
Kept waving to her mother until the train was out of sight.
不断地冲她的母亲挥手，直到火车驶出了视线。
Almost immediately he began to complain about the weather,
但紧接着他就开始抱怨那里的天气了。