托福词汇背诵：手指动作
thumb up:赞
pinch:捏/拧/掐
pluck:采摘/拔
rip:拆开/撕掉
scratch:抓/挠/刮/划
snap:打响指
flip:掷(硬币)
click:点击
press:按/压
point to:指向
squeeze out:挤出/拧出
show the middle finger:竖起中指
flick dust:弹掉灰尘
wipe:擦拭
strum:弹拨
grip:抓住
clench:握紧
