Suck-filtration

常見例句

• Dangerous currents can suck swimmers under.
  險急的水流能把遊泳的人吞沒。
• "Suck in those stomachs, " the gym teacher said.
  躰操老師說："深呼吸，收腹"。
• Don't suck your thumb; it's so dirty.
  別舔手指頭，太髒了。
• She suck up to him by agree with everything he say.
  她巴結(jié)他，他說什麼話她都同意。
• Suck on the tube to draw up the water.
  用琯子把水吸上來。
• Water can be purified by filtration through sand.
  水通過沙濾可以變清。
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