if necessary / if it is necessary 如果需要的话
if needed / if it is needed 如果需要的话
双语例句:
Place the fireextinguisher where it is get-at-able if it is needed in a hurry.
灭火器要放在方便的地方以备急之用。
,
if necessary / if it is necessary 如果需要的话
if needed / if it is needed 如果需要的话
双语例句:
Place the fireextinguisher where it is get-at-able if it is needed in a hurry.
灭火器要放在方便的地方以备急之用。
,