1、By evening i was in low spirits again .
到晚上我的情绪又消沉下来了。
2、He 's in low water now ， being out of job .
现在他失业了，手头很紧。
3、Millikan used a value about 1% too low .
密立根所用的值大约偏低1。
4、She looked at the lower part of the carriages .
她凝视着车厢的下面。
5、The small lower hole is that for the injector .
下方小洞用于装喷嘴。
