Prefloat
预浮选
🗣️ 情景例句
the American Society for the Prevention of Cruelty to Animals.
美国禁止虐待动物协会。
How much is a one-way ticket to Beijing?
一张到北京的单程票要多少钱？
The shuttle Endeavour will be taking the astronauts to the Hubble.
“奋进”号航天飞机将把宇航员送上哈勃。