词语提示:

magnifying glass n.放大镜, 放大器

siphon vt.用虹吸管吸外流, 消耗; 吮吸vi.通过虹吸管吸送

squint n./adj.斜视的, 斜视眼的

convoy n.护送, 护卫, 护航;被护送的船只, 被护送的部队
e.g.a convoy of transport ships 护航的运输船队
convoy 在护航[护送]下

adamant n.坚硬无比的东西; 硬石
of adamant 坚强的意志
e.g.She became as rigid as adamant . 她变得如顽石般的固执

twiddle vt.捻起来, 抚弄, 玩弄, 旋弄 vi.玩弄