Crossflow
交叉[横向]流动
🗣️ 情景例句
Rome wasn't built in a day.
罗马不是一天建成的。
A middle course is the safest.
中庸之道最保险。
The next man to approach me was selling expensive pens and watches.
向我兜售的第二个人是卖名贵钢笔和手表的。