欢迎访问贝贝英语网！
proportion n.部分；比例；均衡，匀称
a large ~ of
in ~ to sth. 成比例—
out of ~ to sth.(disproportion)
-The punishment was out of all proportion to the crime.
proportionate adj.—
disproportionate
submerge v.沉浸
~ oneself in sth.沉浸于
-He ~ed himself in the development of his company all day , neglecting his wife and children.
词根merge/ merse（sink ，dip沉，浸）
imerge 浸入
immerse 使浸没于n. immersion
emerge 出现 n. emergence emersion
merge 使融入，合并 mergence n.合并，融合
merger n.(企业或机构的)合并
After a long period of rain the river may overflow its banks.
overflow v.外流；泛滥；充满；淹没；多得无法容纳 n.容纳不下的物或人
an ~ing canal 泛滥的运河
~ with 充满…,洋溢着
be ~ing with enthusiasm
-The water ~ed when I poured it into the cup.
-他的朋友挤满了他所有的房间。
- Every room was overflown by his friends.
-She put a pot underneath to catch the overflow from the ater tank.
