Alternativeness
两者择一
🗣️ 情景例句
You've been like a second family to me.
你们就像我的第二个家一样。
Absence sharpens love, presence strengthens it.
相聚爱益切，离别情更深。
that a series of deep soundings was obtained in the Atlantic and the first samples were collected by dredging the bottom.
才在大西洋测得一个个海水深度，同时通过挖掘海底，取得了研究海底的首批样品。