🧩 词语组成解析
[解、动]胎盘形成
🗣️ 情景例句
This is as useful as screen door on a submarine.
这毫无用处。
I can't take it.
真是受不了。
Though the new rudder was fitted at tremendous speed, it was impossible for the Cutty Sark to win.
尽管换装新舵时分秒必争，但“卡蒂萨克”号已经不可能取胜了，