Ballvalve
球型人造瓣膜
🗣️ 情景例句
Well, what do you think about Richard and me
那么你觉得我和Richard
The tongue is not steel yet it cuts.
舌头不是钢，伤人似刀剑。
'I needn't remind you of that terrible tie you bought yesterday.'
“我也不必提醒你昨天买的那条糟糕透了的领带。”