1.coat 给……涂上一层
The underseal is a kind of waterproof material to coat the bottom of the car.
底封是一种涂在汽车底部的防水材料。
2.soak 浸泡
If you soak the tablecloth before you wash it, the stains should come out.
先把桌布浸一浸再洗,污迹就能去掉。
3.keep mum 闭口不说
I reckon we're safe as long as we keep mum.
我想只要我们保守秘密,就不会有危险。
4.pierce 穿透
Even the Light cannot pierce this gloom.
即便是光明也无法穿透这片黑暗。











