1.pass through 经过，穿过，通过
例句：One isoclinic must obviously pass through every point of the field.
显然一条等倾线在此过程中必将扫过视场中的每一个点V#pG;MVAv@。
2.available to 可以用来，现有性
例句：All the water retained in a soil is not equally available to plants.
保留在土壤中的全部水分对植物的有效性是不一致的R+sT2R1#PqUEof1-*|。
3.clean up 打扫，清扫，清除
例句：He did all he could to clean up on his opponents.
他想方设法要击败他的对手(R.de|~)wbSf。
4.be set to 被定在，被设为
例句：Many electric clocks are combined with radios, which can sometimes be set to turn on automatically.
许多电钟与收音机结合起来，有时可定时使收音机自动打开LHDNfDx^%8p0mp4ami。