Upwellings
(upwelling 的复数) n.上涌, 上升流(指海水由较深层上升到较浅层的过程)
🗣️ 情景例句
What's the meaning of NATO?
NATO代表什么？
Misfortunes never (seldom) come alone (single).
祸不单行。
His work starts at half past eight, and finishes at a quarter to five.
30开始工作，4：45下班。