tap

• Since the objective is to produce a sharp sound the tap should be short and forcible .
  既然目的是要产生一个尖的声音，则这种叩击必须短而有力。
• This finding was used to develop a two-step concentration procedure for virus in tap water .
  这种现象被发展成为对自来水中病毒的两步浓缩方案。
• Grace picks up a jug that's partially filled, shoves another one under the tap .
  格雷斯搬起一只没装满水的罐子，使劲把另一个罐子推到水笼头下面。
• A few light taps upon the pane made him turn to the window. it had begun to snow again .
  玻璃上几下轻轻的响声吸引他把脸转向窗户。又开始下雪了。
• The absorption of many molecular layers could be reestablished by rinsing the foils with tap water .
  多分子层的吸附作用可用自来水淋洗金属箔而重新实现。
• Furnace operation was satisfactory, although the slag was viscous and difficult to tap from the furnace .
  炉子的操作情况是令人满意的，但炉渣很粘，出料比较困难。
• She had recovered her equanimity, and tapped her neighbour with her wand and talked as usual .
  她已经恢复了平静，拿柳条轻轻拍打和她并排的女孩子，照旧有说有笑的了。
• Margaret still likes to keep taps on her children, and spend any free time she may have with them .
  玛格丽特仍要照料好孩子们的生活，只要有空，总要设法同孩子们呆在一起。
• To prevent clogging of the pressure tap by fine solids gas is bled into the bed at low velocity at the taps .
  为了防止测压管嘴被微细颗粒堵塞，在管嘴处以低流速向床内注入气体。