Birefraction
双折射
🗣️ 情景例句
to move the air-conditioning units
移动空调设备
Never trust of fine words.
切勿轻信漂亮的言词。
Meanwhile, they should encourage those among us who cannot swim five yards before they are gasping for air.
与此同时，他们对我们中的那些游不了5码就已喘不过气来的人应该是种鼓舞。