Bipropargyl
联丙炔
🗣️ 情景例句
I can't believe this is really happening!
我不敢相信这一切真的发生了
Love looks with telescope; envy with microscope.
爱情大处著眼，忌妒吹毛求疵。
her flags flying, pennants waving, sails filling in the breeze,
舰旗迎风招展，三角旗随风飘动，微风鼓起风帆，