n. an opening made forcibly as by pulling apart
n. a stretch of turbulent water in a river or the sea caused by one current flowing into or across another current
v. move precipitously or violently
v. cut (wood) along the grain
n. 裂痕, 破绽, 拉裂, 浪子, 巨浪
vi. 被拉开, 裂开, 猛冲
vt. 撕, 扯, 劈